Paleobiota of the Posidonia Shale: Difference between revisions
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[[File:Seironcrinus subangularis Miller, die größte fossile Seelilien-Kolonie (18 x 6 m).jpg|thumb|380px|right|18x6 m fossilized floating wood (''[[Agathoxylon]]''), with Crinoids attached (''[[Pentacrinites]]'' & ''[[Seirocrinus]]''). It is one of the most emblematic fossils of the formation, where the anoxic seas of the lower toarcian lead to an exquisite preservation.]] |
[[File:Seironcrinus subangularis Miller, die größte fossile Seelilien-Kolonie (18 x 6 m).jpg|thumb|380px|right|18x6 m fossilized floating wood (''[[Agathoxylon]]''), with Crinoids attached (''[[Pentacrinites]]'' & ''[[Seirocrinus]]''). It is one of the most emblematic fossils of the formation, where the anoxic seas of the lower toarcian lead to an exquisite preservation.]] |
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{{Paleontology}} |
{{Paleontology}} |
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The '''[[Sachrang Formation]]''' or '''"Posidonienschiefer" Formation''' (Whose Vulgar name is "Posidonia Shale") is a [[geological formation]] of southwestern [[Germany]], northern [[Switzerland]], northwestern [[Austria]], southeast [[Luxembourg]] and the [[Netherlands]], that spans about 3 million years during the [[Early Jurassic]] period (early [[Toarcian]] stage). It is known for its detailed [[fossil]]s, especially sea fauna, listed below.<ref name=PosidoABB>{{cite journal |last1=Hess |first1=H. |title=Lower Jurassic Posidonia Shale of Southern Germany |journal=Fossil |
The '''[[Sachrang Formation]]''' or '''"Posidonienschiefer" Formation''' (Whose Vulgar name is "Posidonia Shale") is a [[geological formation]] of southwestern [[Germany]], northern [[Switzerland]], northwestern [[Austria]], southeast [[Luxembourg]] and the [[Netherlands]], that spans about 3 million years during the [[Early Jurassic]] period (early [[Toarcian]] stage). It is known for its detailed [[fossil]]s, especially sea fauna, listed below.<ref name=PosidoABB>{{cite journal |last1=Hess |first1=H. |title=Lower Jurassic Posidonia Shale of Southern Germany |journal=Fossil Crinoids |date=1999 |volume=3 |issue=1 |pages=183–196 |doi=10.1017/CBO9780511626159.025 |isbn=9780521450249 |url=http://www.fossilcrinoids.com/literature/9.1_Hess%20(1999).pdf |access-date=3 March 2022}}</ref> Composed mostly by black [[shale]], the formation is a [[Lagerstätte]], where fossils show exceptional preservation (Including exquisite soft tissues), with a thickness that varies from about 1 m to about 40 m on the Rhine level, being on the main quarry at [[Holzmaden]] between 5 and 14 m.<ref name=PosidoABB/> Some of the preserved material has been transformed into fossil hydrocarbon [[Jet (gemstone)|Jet]], specially wood remains, used for jewelry.<ref name=soup>{{cite journal |last1=Martill |first1=D. M. |title=Soupy substrates: a medium for the exceptional preservation of ichthyosaurs of the Posidonia Shale (Lower Jurassic) of Germany |journal=Kaupia |date=1993 |volume=2 |issue=1 |pages=77–97 |url=https://pubs.geoscienceworld.org/sepm/palaios/article-pdf/10/1/96/2834888/96.pdf |access-date=3 March 2022}}</ref> The exceptional preservation seen on the Posidonia Shale has been studied since the late 1800s, finding that a cocktail of chemical and environmental factors let to such an impressive conservation of the marine fauna.<ref name=soup/> The most common theory is the changes in the oxygen level, where the different anoxic events of the Toarcian left oxygen-depleted bottom waters, with the biota dying and falling to the bottom without any predator able to eat the dead bodies.<ref name=GiantAmmoni>{{cite journal |last1=Schmid–Röhl |first1=A. |last2=Röhl |first2=H. J. |title=Overgrowth on ammonite conchs: environmental implications for the Lower Toarcian Posidonia Shale |journal=Palaeontology |date=2003 |volume=46 |issue=2 |pages=339–352 |doi=10.1111/1475-4983.00302 |url=https://onlinelibrary.wiley.com/doi/abs/10.1111/1475-4983.00302 |access-date=3 March 2022}}</ref> |
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== Microbial activity == |
== Microbial activity == |
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[[Stromatolite]]s<ref name=structu>{{cite journal |last1=Böhm |first1=F. |last2=Brachert |first2=T. C. |title=Deep-water stromatolites and Frutexites Maslov from the early and Middle Jurassic of S-Germany and Austria |journal=Facies |date=1993 |volume=28 |issue=1 |pages=145–168 |doi=10.1007/bf02539734 |url=https://www.researchgate.net/publication/ |
[[Stromatolite]]s<ref name=structu>{{cite journal |last1=Böhm |first1=F. |last2=Brachert |first2=T. C. |title=Deep-water stromatolites and Frutexites Maslov from the early and Middle Jurassic of S-Germany and Austria |journal=Facies |date=1993 |volume=28 |issue=1 |pages=145–168 |doi=10.1007/bf02539734 |s2cid=129365360 |url=https://www.researchgate.net/publication/251225434 |access-date=2 March 2022}}</ref> |
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*Non assignable Species |
*Non assignable Species |
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''[[Dentalina]]''<ref name=BlackFo/><ref name="Riegraf1"/><ref name=Tirol>{{cite journal |last1=Ebli |first1=O. |title=Foraminiferen und Coccolithen aus den Lias-Epsilon-Schiefern der Unkener Mulde (Tirolikum, Nördliche Kalkalpen) |journal=Mitt. Bayer. Staatsslg. Paläont. |
''[[Dentalina]]''<ref name=BlackFo/><ref name="Riegraf1"/><ref name=Tirol>{{cite journal |last1=Ebli |first1=O. |title=Foraminiferen und Coccolithen aus den Lias-Epsilon-Schiefern der Unkener Mulde (Tirolikum, Nördliche Kalkalpen) |journal=Mitt. Bayer. Staatsslg. Paläont. Hist. Geol |date=1989 |volume=29 |issue=1 |pages=61–83 |url=https://www.zobodat.at/pdf/Mitt-Bayer-Staatsslg-Pal-hist-Geol_29_0061-0083.pdf |access-date=3 March 2022}}</ref> |
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*''Dentalina terquiemi'' |
*''Dentalina terquiemi'' |
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== Dinoflagellata == |
== Dinoflagellata == |
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=== Dinoflagellate cysts === |
=== Dinoflagellate cysts === |
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The evolutionary burst of the [[Toarcian]] Dinoflajellates led the first appearance and rapid radiation of the [[Phallocystaceae]] (''[[Susainium]]'', ''[[Parvocysta]]'', ''[[Phallocysta]]'', ''[[Moesiodinium]]'' and related forms).<ref name=Dinocy>{{cite journal |last1=Feist-Burkhardt |first1=S. |last2=Wille |first2=W. |title=Jurassic palynology in southwest Germany–state of the art |journal=Cahiers de Micropaléontologie |date=1992 |issue=2 |pages= |
The evolutionary burst of the [[Toarcian]] Dinoflajellates led the first appearance and rapid radiation of the [[Phallocystaceae]] (''[[Susainium]]'', ''[[Parvocysta]]'', ''[[Phallocysta]]'', ''[[Moesiodinium]]'' and related forms).<ref name=Dinocy>{{cite journal |last1=Feist-Burkhardt |first1=S. |last2=Wille |first2=W. |title=Jurassic palynology in southwest Germany–state of the art |journal=Cahiers de Micropaléontologie |date=1992 |issue=2 |pages=13–16 |url=https://www.researchgate.net/publication/237081251 |access-date=3 March 2022}}</ref> This occurred at the time of a widespread Lower Toarcian bituminous anoxia-derived shale of the ''Posidonienschiefer Formation''. Is recovered on the Posidonienschiefer, [[Pozzale]], [[Italy]], [[Asturias]], [[Spain]], [[Bornholm]], [[Denmark]], the [[Lusitanian Basin]] of [[Portugal]], the [[Jet Rock Formation]] in [[Yorkshire]] and to the "Schistes Carton" in northern [[France]]. Whether there is a causal connection in this co-occurrence of [[Phallocystaceae]] and bituminous facies is a problem still to be resolved. This family has its acme in diversity and quantity in the latest Toarcian and became less important in the [[Aalenian]].<ref name=Dinocy/> |
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''[[Nannoceratopsis]]''<ref name=PraussSouth>{{cite journal |last1=Prauss |first1=M. |last2=Ligouis |first2=B. |last3=Luterbacher |first3=H. |title=Organic matter and palynomorphs in the 'Posidonienschiefer'(Toarcian, Lower Jurassic) of southern Germany |journal=Geological Society, London, Special Publications |date=1991 |volume=58 |issue=1 |pages= |
''[[Nannoceratopsis]]''<ref name=PraussSouth>{{cite journal |last1=Prauss |first1=M. |last2=Ligouis |first2=B. |last3=Luterbacher |first3=H. |title=Organic matter and palynomorphs in the 'Posidonienschiefer'(Toarcian, Lower Jurassic) of southern Germany |journal=Geological Society, London, Special Publications |date=1991 |volume=58 |issue=1 |pages=335–351 |doi=10.1144/GSL.SP.1991.058.01.21 |bibcode=1991GSLSP..58..335P |s2cid=130285775 |url=https://sp.lyellcollection.org/content/58/1/335 |access-date=3 March 2022}}</ref> |
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*''Nannoceratopsis gracilis'' |
*''Nannoceratopsis gracilis'' |
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*''Nannoceratopsis senex'' |
*''Nannoceratopsis senex'' |
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*''Nannoceratopsis ridingii'' |
*''Nannoceratopsis ridingii'' |
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*''Nannoceratopsis tricornuta''<ref name=DinofA>{{cite journal |last1=Wille |first1=W. |title=Dinoflagellates from the Lias of Sw Germany. [ Dinoflagellaten aus dem Lias Sмdwestdeutschlands] |journal=Neues Jahrbuch fмr Geologie und Paleontologie |date=1979 |volume=158 |issue=2 |pages= |
*''Nannoceratopsis tricornuta''<ref name=DinofA>{{cite journal |last1=Wille |first1=W. |title=Dinoflagellates from the Lias of Sw Germany. [ Dinoflagellaten aus dem Lias Sмdwestdeutschlands] |journal=Neues Jahrbuch fмr Geologie und Paleontologie |date=1979 |volume=158 |issue=2 |pages=221–258}}</ref> |
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*''Nannoceratopsis deflandrei'' |
*''Nannoceratopsis deflandrei'' |
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*''Nannoceratopsis triceras'' |
*''Nannoceratopsis triceras'' |
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''[[Apodinium]]''<ref name=Wille>{{cite journal |last1=Wille |first1=W. |title=Evolution and ecology of Upper Liassic dinoflagellates from southwest Germany |journal=Neues Jahrbuch fмr Geologie und Paleontologie |date=1982 |volume=164 |issue=1 |pages=74 |
''[[Apodinium]]''<ref name=Wille>{{cite journal |last1=Wille |first1=W. |title=Evolution and ecology of Upper Liassic dinoflagellates from southwest Germany |journal=Neues Jahrbuch fмr Geologie und Paleontologie |date=1982 |volume=164 |issue=1 |pages=74–82|doi=10.1127/njgpa/164/1982/74 }}</ref> |
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*''Apodinium fioccosum'' |
*''Apodinium fioccosum'' |
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''[[Surculosphaeridium]]''<ref name=Lund,J.J.>{{cite journal |last1=Lund |first1=J.J. |title=Jurassic and Cretaceous microfloras used to determine the stratigraphical succession of steeply dipping strata along the Prahl Fault, Dobenwohr Hafgraben, northeast Bavaria |journal=Neues Jahrbuch fмr Geologie und Pal¤ontologie |date=1996 |volume=200 |issue=1 |pages=133 |
''[[Surculosphaeridium]]''<ref name=Lund,J.J.>{{cite journal |last1=Lund |first1=J.J. |title=Jurassic and Cretaceous microfloras used to determine the stratigraphical succession of steeply dipping strata along the Prahl Fault, Dobenwohr Hafgraben, northeast Bavaria |journal=Neues Jahrbuch fмr Geologie und Pal¤ontologie |date=1996 |volume=200 |issue=1 |pages=133–147 |doi=10.1127/njgpa/200/1996/133 |url=https://paleobotany.ru/palynodata/publication/19113 |access-date=3 March 2022}}</ref><ref name=Gothc>{{cite journal |last1=Gotch |first1=H. |title=Planktonische Kleinformen aus dem Lias-Dogger Grenzbereich Nord- und Süddeutschlands |journal=Neues Jahrb. Geol. Paläontol |date=1964 |volume=119 |issue=3 |pages=113–133 |url=https://paleobotany.ru/palynodata/publication/4729 |access-date=3 March 2022}}</ref> |
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*''Surculosphaeridium longifurcatum'' |
*''Surculosphaeridium longifurcatum'' |
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== Algae == |
== Algae == |
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Includes abundant variety of algae, such as the genus of colonial Green algae [[Botryococcus]], or the unicellular algal bodies [[Tasmanites]], and other small examples. Algae are a good reference for changes on the oxygen conditions along the Toarcian.<ref>{{cite journal |last1=Schouten |first1=S. |last2=van Kaam-Peters |first2=H. M. |last3=Rijpstra |first3=W. I. C. |last4=Schoell |first4=M. |last5=Damste |first5=J. S. S. |title=Effects of an oceanic anoxic event on the stable carbon isotopic composition of early Toarcian carbon |journal=American Journal of Science |date=2000 |volume=300 |issue=1 |pages=1 |
Includes abundant variety of algae, such as the genus of colonial Green algae [[Botryococcus]], or the unicellular algal bodies [[Tasmanites]], and other small examples. Algae are a good reference for changes on the oxygen conditions along the Toarcian.<ref>{{cite journal |last1=Schouten |first1=S. |last2=van Kaam-Peters |first2=H. M. |last3=Rijpstra |first3=W. I. C. |last4=Schoell |first4=M. |last5=Damste |first5=J. S. S. |title=Effects of an oceanic anoxic event on the stable carbon isotopic composition of early Toarcian carbon |journal=American Journal of Science |date=2000 |volume=300 |issue=1 |pages=1–22 |doi=10.2475/ajs.300.1.1 |bibcode=2000AmJS..300....1S |hdl=1874/4290 |url=https://www.ajsonline.org/content/300/1/1 |access-date=3 March 2022}}</ref> |
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=== Algae Acritarchs === |
=== Algae Acritarchs === |
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''[[Carinolithus]]''<ref name=EBLIA/><ref name=HolCo>{{cite journal |last1=Grün |first1=W. |last2=Grün |first2=P. |last3=Prins |first3=F. |title=Zweili Coccolithophoriden aus dem Lias epsilon von Holzmaden (Deutschland) |journal=Neues Jb. Geol. Paläontol. Abh. |date=1974 |volume=147 |issue=2 |pages= |
''[[Carinolithus]]''<ref name=EBLIA/><ref name=HolCo>{{cite journal |last1=Grün |first1=W. |last2=Grün |first2=P. |last3=Prins |first3=F. |title=Zweili Coccolithophoriden aus dem Lias epsilon von Holzmaden (Deutschland) |journal=Neues Jb. Geol. Paläontol. Abh. |date=1974 |volume=147 |issue=2 |pages=294–328}}</ref><ref name=Caro>{{cite journal |last1=Visentin |first1=S. |last2=Faucher |first2=G. |last3=Mattioli |first3=E. |last4=Erba |first4=E. |title=Taxonomic revision of the genus Carinolithus (Early-Middle Jurassic) based on morphometric analyses and diagenesis observations: Implications for biostratigraphy and evolutionary trends |journal=Marine Micropaleontology |date=2021 |volume=162 |issue=1 |pages=412–432 |doi=10.1016/j.marmicro.2020.101950 |bibcode=2021MarMP.162j1950V |s2cid=229440280 |url=https://www.sciencedirect.com/science/article/pii/S0377839820301729 |access-date=3 March 2022}}</ref> |
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*''Carinolithus superbus'' |
*''Carinolithus superbus'' |
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''[[Pleurozonaria]]''<ref name=Madler/><ref name=Madler2>{{cite journal |last1=Madler |first1=K.A. |title=Tasmanites and related planktonic organisms from the Posidonian Shales. [ Tasmanites und verwandte planktonformen aus dem Posidonienschiefer-Meer. ] |journal=International Conference on Planktonic Microfossils |date=1969 |volume=1 |issue=23 |pages= |
''[[Pleurozonaria]]''<ref name=Madler/><ref name=Madler2>{{cite journal |last1=Madler |first1=K.A. |title=Tasmanites and related planktonic organisms from the Posidonian Shales. [ Tasmanites und verwandte planktonformen aus dem Posidonienschiefer-Meer. ] |journal=International Conference on Planktonic Microfossils |date=1969 |volume=1 |issue=23 |pages=375–377 |url=https://paleobotany.ru/palynodata/publication/20982 |access-date=3 March 2022}}</ref> |
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*''Pleurozonaria globulus'' |
*''Pleurozonaria globulus'' |
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''[[Tasmanites]]''<ref name=Madler/><ref name=Madler2/><ref name=rodo>{{cite journal |last1=Wetzel |first1=O. |title=New microfossils from the Lias, especially from the Posidonian Shale. [ Neue mikrofossilien aus dem Lias, insbesondere aus dem Posidonienschiefer. ] |journal=Palaeontologische Zeitschrift |date=1958 |volume=32 |issue=1 |pages= |
''[[Tasmanites]]''<ref name=Madler/><ref name=Madler2/><ref name=rodo>{{cite journal |last1=Wetzel |first1=O. |title=New microfossils from the Lias, especially from the Posidonian Shale. [ Neue mikrofossilien aus dem Lias, insbesondere aus dem Posidonienschiefer. ] |journal=Palaeontologische Zeitschrift |date=1958 |volume=32 |issue=1 |pages=15 |url=https://paleobotany.ru/palynodata/publication/6363 |access-date=3 March 2022}}</ref> |
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*''Tasmanites mourai'' |
*''Tasmanites mourai'' |
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== Fungi == |
== Fungi == |
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Fungal Spores, hypae and undeterminated remains are a rare element of the otherwise openmarine deposits of the Posidonienschiefer formation, but where recovered at Dormettingen.<ref name=AdvaPal>{{cite journal |last1=Galasso |first1=F. |last2=Schmid-Röhl |first2=A. |last3=Feist-Burkhardt |first3=S. |last4=Bernasconi |first4=S. M. |last5=Schneebeli-Hermann |first5=E. |title=Changes in organic matter composition during the Toarcian Oceanic Anoxic Event (T-OAE) in the Posidonia Shale Formation from Dormettingen (SW-Germany) |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=2021 |volume=569 |issue=1 |pages=675–689 |url=https://www.sciencedirect.com/science/article/pii/S0031018221001127 |access-date=3 March 2022}}</ref> This fungal remains are composed mostly by indeterminate spores and indicate oxygenated environments and suitable transportation by rivers.<ref name=AdvaPal/> |
Fungal Spores, hypae and undeterminated remains are a rare element of the otherwise openmarine deposits of the Posidonienschiefer formation, but where recovered at Dormettingen.<ref name=AdvaPal>{{cite journal |last1=Galasso |first1=F. |last2=Schmid-Röhl |first2=A. |last3=Feist-Burkhardt |first3=S. |last4=Bernasconi |first4=S. M. |last5=Schneebeli-Hermann |first5=E. |title=Changes in organic matter composition during the Toarcian Oceanic Anoxic Event (T-OAE) in the Posidonia Shale Formation from Dormettingen (SW-Germany) |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=2021 |volume=569 |issue=1 |pages=675–689 |doi=10.1016/j.palaeo.2021.110327 |bibcode=2021PPP...569k0327G |s2cid=233550926 |url=https://www.sciencedirect.com/science/article/pii/S0031018221001127 |access-date=3 March 2022}}</ref> This fungal remains are composed mostly by indeterminate spores and indicate oxygenated environments and suitable transportation by rivers.<ref name=AdvaPal/> |
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== Plantae == |
== Plantae == |
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''[[Ischyosporites]]''<ref name=EBLIA>{{cite journal |last1=Ebli |first1=O. |last2=Draxler |first2=I. |last3=Klein |first3=P. |last4=Kodina |first4=L. A. |last5=Lobitzler |first5=H. |title=Fazies, Paläontologie und organische Geochemie der Sachranger Schiefer (Untertoarcium) im Mittelabschnitt der Nördlichen Kalkalpen zwischen Isar und Saalach |journal=Jahrbuch der Geologischen Bundesanstalt |date=1991 |volume=134 |issue=1 |pages=5–14 |
''[[Ischyosporites]]''<ref name=EBLIA>{{cite journal |last1=Ebli |first1=O. |last2=Draxler |first2=I. |last3=Klein |first3=P. |last4=Kodina |first4=L. A. |last5=Lobitzler |first5=H. |title=Fazies, Paläontologie und organische Geochemie der Sachranger Schiefer (Untertoarcium) im Mittelabschnitt der Nördlichen Kalkalpen zwischen Isar und Saalach |journal=Jahrbuch der Geologischen Bundesanstalt |date=1991 |volume=134 |issue=1 |pages=5–14 |url=https://www.zobodat.at/pdf/JbGeolReichsanst_134_0005-0014.pdf |access-date=3 March 2022}}</ref> |
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*''Ischyosporites'' cf. ''variegatus'' |
*''Ischyosporites'' cf. ''variegatus'' |
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''[[Chasmatosporites]]''<ref name=Heunisch/><ref name=AdvaPal/><ref name=Houben>{{cite journal |last1=Houben |first1=A. J. |last2=Goldberg |first2=T. |last3=Slomp |first3=C. P. |title=Biogeochemical evolution and organic carbon deposition on the Northwestern European Shelf during the Toarcian Ocean Anoxic Event |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=2021 |volume=565 |issue=1 |pages=897–912 |url=https://www.sciencedirect.com/science/article/pii/S0031018220306398 |access-date=3 March 2022}}</ref> |
''[[Chasmatosporites]]''<ref name=Heunisch/><ref name=AdvaPal/><ref name=Houben>{{cite journal |last1=Houben |first1=A. J. |last2=Goldberg |first2=T. |last3=Slomp |first3=C. P. |title=Biogeochemical evolution and organic carbon deposition on the Northwestern European Shelf during the Toarcian Ocean Anoxic Event |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=2021 |volume=565 |issue=1 |pages=897–912 |doi=10.1016/j.palaeo.2020.110191 |bibcode=2021PPP...565k0191H |s2cid=233805324 |url=https://www.sciencedirect.com/science/article/pii/S0031018220306398 |access-date=3 March 2022}}</ref> |
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*''Chasmatosporites apertus'' |
*''Chasmatosporites apertus'' |
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Pollen |
Pollen |
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Affinities with both [[Sciadopityaceae]] and [[Miroviaceae]] inside [[Pinopsida]]. This Pollen resemblance with extant ''[[Sciadopitys]]'' suggest that Miroviaceae can be an extinct lineage of sciadopityaceaous-like plants.<ref>{{cite journal |last1=Hofmann |first1=Christa-Ch. |last2=Odgerel |first2=Nyamsambuu |last3=Seyfullah |first3=Leyla J. |title=The occurrence of pollen of Sciadopityaceae Luerss. through time |journal=Fossil Imprint |date=2021 |issue=2 |pages=271–281 |url=https://www.biotaxa.org/AMNPSBHN/article/view/73112 |access-date=27 December 2021}}</ref> |
Affinities with both [[Sciadopityaceae]] and [[Miroviaceae]] inside [[Pinopsida]]. This Pollen resemblance with extant ''[[Sciadopitys]]'' suggest that Miroviaceae can be an extinct lineage of sciadopityaceaous-like plants.<ref>{{cite journal |last1=Hofmann |first1=Christa-Ch. |last2=Odgerel |first2=Nyamsambuu |last3=Seyfullah |first3=Leyla J. |title=The occurrence of pollen of Sciadopityaceae Luerss. through time |journal=Fossil Imprint |date=2021 |volume=77 |issue=2 |pages=271–281 |doi=10.37520/fi.2021.019 |s2cid=245555379 |url=https://www.biotaxa.org/AMNPSBHN/article/view/73112 |access-date=27 December 2021}}</ref> |
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[[File:Sciadopitys verticillata cones.jpg|thumb|none|155px|Extant ''[[Sciadopitys]]''. ''[[Cerebropollenites]]'' likely come from a related plant]] |
[[File:Sciadopitys verticillata cones.jpg|thumb|none|155px|Extant ''[[Sciadopitys]]''. ''[[Cerebropollenites]]'' likely come from a related plant]] |
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''[[Crassipollenites]]''<ref name=Madler/><ref name=Madler3>{{cite journal |last1=Madler |first1=K.A. |title=Pollen analytical studies on the Posidonian Shale[ Pollenanalytische untersuchungen im Posidonienschiefer ] |journal=PalZ - Paläontologische Zeitschrift |date=1956 |volume=30 |issue=1 |pages= |
''[[Crassipollenites]]''<ref name=Madler/><ref name=Madler3>{{cite journal |last1=Madler |first1=K.A. |title=Pollen analytical studies on the Posidonian Shale[ Pollenanalytische untersuchungen im Posidonienschiefer ] |journal=PalZ - Paläontologische Zeitschrift |date=1956 |volume=30 |issue=1 |pages=18 |url=https://eurekamag.com/research/025/258/025258422.php |access-date=3 March 2022}}</ref> |
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*''Crassipollenites diffusus'' |
*''Crassipollenites diffusus'' |
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Line 2,296: | Line 2,296: | ||
Pollen |
Pollen |
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Affinities with [[Cheirolepidiaceae]] inside [[Pinaceae]]. Abundant on the Lower Jurassic of NW Europe. ''[[Spheripollenites]]'' co-occurs on the coeval [[Sorthat Formation]] with cuticles of ''[[Dactyletrophyllum]] ramonensis'', and after a test of relationships it was found a highly significant correlation that may suggest that the species ''S. psilatus'' was produced by the conifer genus ''Dactyletrophyllum''.<ref>{{cite journal |last1=Wade-Murphy |first1=J. |last2=Kuerschner |first2=W. M |title=A new technique to infer the botanical affinity of palynomorphs, and its application on Spheripollenites psilatus from the Toarcian of Bornholm, Denmark|journal=In 7 Th European Palaeobotany Palynology Conference |date=2006|issue= |
Affinities with [[Cheirolepidiaceae]] inside [[Pinaceae]]. Abundant on the Lower Jurassic of NW Europe. ''[[Spheripollenites]]'' co-occurs on the coeval [[Sorthat Formation]] with cuticles of ''[[Dactyletrophyllum]] ramonensis'', and after a test of relationships it was found a highly significant correlation that may suggest that the species ''S. psilatus'' was produced by the conifer genus ''Dactyletrophyllum''.<ref>{{cite journal |last1=Wade-Murphy |first1=J. |last2=Kuerschner |first2=W. M |title=A new technique to infer the botanical affinity of palynomorphs, and its application on Spheripollenites psilatus from the Toarcian of Bornholm, Denmark|journal=In 7 Th European Palaeobotany Palynology Conference |date=2006|issue=1–2 |pages=153–154|url=https://mi-pub.cen.uni-hamburg.de/fileadmin/files/forschung/theomet/docs/pdf/2006-eppc_programme.pdf|access-date=13 October 2021}}</ref> |
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Line 2,339: | Line 2,339: | ||
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Affinities with [[Cheirolepidiaceae]] inside [[Coniferae]]. Abundant on the Lower Jurassic of North and Southern Europe, represents pollen of medium to large arboreal plants, specially coniferales. The abundance of pollen of ''Classopollis'' and other thermophile plants was observed in this region in the lower Toarcian from the end of the antiquum (= tenuicostatum) zone to the middle of commune zone.<ref name=Pri>{{cite journal |last1=Suan |first1=G. |last2=Nikitenko |first2=B.L. |last3=Rogov |first3=M.A. |last4=Baudin |first4=F. |last5=Spangenberg |first5=J.E. |last6=Knyazev |first6=V.G. |last7=Glinskikh |first7=L.A. |last8=Goryacheva |first8=A.A. |last9=Adatte |first9=T. |last10=Riding |first10=J.B. |last11=Föllmi |first11=K.B. |last12=Pittet |first12=B. |last13=Mattioli |first13=E. |last14=Lécuyer |first14=C. |title=Polar record of Early Jurassic massive carbon injection |journal=Earth and Planetary Science Letters |date=2011 |volume=312 |issue=1 |pages=102–113 |url=https://www.sciencedirect.com/science/article/abs/pii/S0012821X1100570X |access-date=3 March 2022}}</ref> ''Classopollis'' is correlated with evaporites and are therefore associated with desert basins, but the shrubs may have also lived in xeric upland areas with seasonal fires. Evidence of fires is absent on the marine Posidonienschiefer, but has been recovered on the coeval nearshore calcareous sandstones.<ref name=Pri/> It increases with the appearance of charcoal phytoclasts, as derived from dry settings with increased wilfires.<ref name=AdvaPal/> |
Affinities with [[Cheirolepidiaceae]] inside [[Coniferae]]. Abundant on the Lower Jurassic of North and Southern Europe, represents pollen of medium to large arboreal plants, specially coniferales. The abundance of pollen of ''Classopollis'' and other thermophile plants was observed in this region in the lower Toarcian from the end of the antiquum (= tenuicostatum) zone to the middle of commune zone.<ref name=Pri>{{cite journal |last1=Suan |first1=G. |last2=Nikitenko |first2=B.L. |last3=Rogov |first3=M.A. |last4=Baudin |first4=F. |last5=Spangenberg |first5=J.E. |last6=Knyazev |first6=V.G. |last7=Glinskikh |first7=L.A. |last8=Goryacheva |first8=A.A. |last9=Adatte |first9=T. |last10=Riding |first10=J.B. |last11=Föllmi |first11=K.B. |last12=Pittet |first12=B. |last13=Mattioli |first13=E. |last14=Lécuyer |first14=C. |title=Polar record of Early Jurassic massive carbon injection |journal=Earth and Planetary Science Letters |date=2011 |volume=312 |issue=1 |pages=102–113 |doi=10.1016/j.epsl.2011.09.050 |bibcode=2011E&PSL.312..102S |url=https://www.sciencedirect.com/science/article/abs/pii/S0012821X1100570X |access-date=3 March 2022}}</ref> ''Classopollis'' is correlated with evaporites and are therefore associated with desert basins, but the shrubs may have also lived in xeric upland areas with seasonal fires. Evidence of fires is absent on the marine Posidonienschiefer, but has been recovered on the coeval nearshore calcareous sandstones.<ref name=Pri/> It increases with the appearance of charcoal phytoclasts, as derived from dry settings with increased wilfires.<ref name=AdvaPal/> |
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Line 2,439: | Line 2,439: | ||
Stems |
Stems |
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Affinities with [[Equisetaceae]] inside [[Equisetopsida]]. Number of mostly very fragmented and not particularly well preserved, but clear horsetail remains described. So far recognizable, leaf sheaths where developed in most cases, but the state of preservation does not allow a more precise determination.<ref name=Land-Pflanzen>{{cite journal |last1=Salfeld |first1=H. |title=Fossile Land-Pflanzen der Rät- und Juraformation Südwestdeutschlands |journal=Palaeontographica |date=1907 |volume=54 |issue=4 |pages=163–204 |url=https://www.zobodat.at/pdf/Palaeontographica_54_0163-0204.pdf |access-date=3 March 2022}}</ref><ref>{{cite journal |last1=Salfeld |first1=H. |title=Beiträge zur Kenntnis jurassischer Pflanzenreste aus Norddeutschland |journal=Palaeontographica |date=1909 |volume=56 |pages=1–35 |url=https://books.google.com/books |
Affinities with [[Equisetaceae]] inside [[Equisetopsida]]. Number of mostly very fragmented and not particularly well preserved, but clear horsetail remains described. So far recognizable, leaf sheaths where developed in most cases, but the state of preservation does not allow a more precise determination.<ref name=Land-Pflanzen>{{cite journal |last1=Salfeld |first1=H. |title=Fossile Land-Pflanzen der Rät- und Juraformation Südwestdeutschlands |journal=Palaeontographica |date=1907 |volume=54 |issue=4 |pages=163–204 |url=https://www.zobodat.at/pdf/Palaeontographica_54_0163-0204.pdf |access-date=3 March 2022}}</ref><ref>{{cite journal |last1=Salfeld |first1=H. |title=Beiträge zur Kenntnis jurassischer Pflanzenreste aus Norddeutschland |journal=Palaeontographica |date=1909 |volume=56 |pages=1–35 |url=https://books.google.com/books?id=jRDJPQAACAAJ |access-date=3 March 2022}}</ref> |
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Line 2,527: | Line 2,527: | ||
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''[[Otozamites]]''<ref name="Wilde"/><ref name="Kurr">{{cite journal |last1=Kurr |first1=J. G. |title=Beiträge zur fossilen Flora der Juraformation Württembergs |journal=Schule zu Stuttgart den |date=1845 |volume=27 |issue=6 |pages=1–17 |url=https://www.biodiversitylibrary.org/bibliography/6129 |access-date=3 March 2022}}</ref><ref>{{cite journal |last1=Küpper |first1=K. |title=Die Gattung Otozamites |journal=Taxon |date=1968 |volume=17 |issue=5 |pages=548–552 |url=https://www.jstor.org/stable/1216063 |access-date=3 March 2022}}</ref> |
''[[Otozamites]]''<ref name="Wilde"/><ref name="Kurr">{{cite journal |last1=Kurr |first1=J. G. |title=Beiträge zur fossilen Flora der Juraformation Württembergs |journal=Schule zu Stuttgart den |date=1845 |volume=27 |issue=6 |pages=1–17 |url=https://www.biodiversitylibrary.org/bibliography/6129 |access-date=3 March 2022}}</ref><ref>{{cite journal |last1=Küpper |first1=K. |title=Die Gattung Otozamites |journal=Taxon |date=1968 |volume=17 |issue=5 |pages=548–552 |doi=10.2307/1216063 |jstor=1216063 |url=https://www.jstor.org/stable/1216063 |access-date=3 March 2022}}</ref> |
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*''Otozamites gracilis'' |
*''Otozamites gracilis'' |
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Line 2,545: | Line 2,545: | ||
*Leaflets |
*Leaflets |
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Affinities with [[Cycadeoidaceae]] inside [[Bennettitales]]. It is the most abundant medium-sized plant on the environment. Found specially on seashore depositional settings, but also on deltaic and lagoonar environments. It was a low arbustive-arboreal Bennetite related to arid environments, with a leave similar of that of the modern genus ''[[Encephalartos]]'', specially [[Encephalartos munchii]], but also [[Dioon mejiae]]. ''Otozamites'' has been considered synonym with ''[[Otopteris]]'', but since the 1990s everybody used the name ''Otozamites'', and ''[[Otopteris]]'' was forgotten.<ref>{{cite journal |last1=Zijlstra |first1=G. |last2=van Konijnenburg-van Cittert |first2=J. H. |title=Proposal to conserve the name Otozamites (fossil Cycadophyta: Bennettitales) against Otopteris |journal=Taxon |date=2019 |volume=68 |issue=4 |pages=874–875 |url=https://www.researchgate.net/publication/ |
Affinities with [[Cycadeoidaceae]] inside [[Bennettitales]]. It is the most abundant medium-sized plant on the environment. Found specially on seashore depositional settings, but also on deltaic and lagoonar environments. It was a low arbustive-arboreal Bennetite related to arid environments, with a leave similar of that of the modern genus ''[[Encephalartos]]'', specially [[Encephalartos munchii]], but also [[Dioon mejiae]]. ''Otozamites'' has been considered synonym with ''[[Otopteris]]'', but since the 1990s everybody used the name ''Otozamites'', and ''[[Otopteris]]'' was forgotten.<ref>{{cite journal |last1=Zijlstra |first1=G. |last2=van Konijnenburg-van Cittert |first2=J. H. |title=Proposal to conserve the name Otozamites (fossil Cycadophyta: Bennettitales) against Otopteris |journal=Taxon |date=2019 |volume=68 |issue=4 |pages=874–875 |doi=10.1002/tax.12112 |s2cid=213356496 |url=https://www.researchgate.net/publication/338122408 |access-date=3 March 2022}}</ref> |
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[[File:Otozamites gracilis.jpg|thumb|center|155px|''[[Otozamites]]'' gracilis specimen from the Sachrang Formation]] |
[[File:Otozamites gracilis.jpg|thumb|center|155px|''[[Otozamites]]'' gracilis specimen from the Sachrang Formation]] |
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Line 2,785: | Line 2,785: | ||
=== Fossil wood === |
=== Fossil wood === |
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Fossil Wood increases on the marginal Unken Member, with great amounts of logs and fragments of more than 1 m. Surface studies suggest relationships with the wood genera identified on the coeval [[Úrkút Manganese Ore Formation]].<ref>{{cite journal |last1=Tollmann |first1=A. |title=Analyse des klassischen nordalpinen Mesozoikums |journal=Stratigraphie, Fauna und Fazies der Nördlichen Kalkalpen |date=1976 |volume=2 |issue=1 |pages=123–141 |url=http://www.worldcat.org/title/analyse-des-klassischen-nordalpinen-mesozoikums-stratigraphie-fauna-u-fazies-d-nordlichen-kalkalpen/oclc/3710249 |access-date=3 March 2022}}</ref> |
Fossil Wood increases on the marginal Unken Member, with great amounts of logs and fragments of more than 1 m. Surface studies suggest relationships with the wood genera identified on the coeval [[Úrkút Manganese Ore Formation]].<ref>{{cite journal |last1=Tollmann |first1=A. |title=Analyse des klassischen nordalpinen Mesozoikums |journal=Stratigraphie, Fauna und Fazies der Nördlichen Kalkalpen |date=1976 |volume=2 |issue=1 |pages=123–141 |oclc=3710249 |url=http://www.worldcat.org/title/analyse-des-klassischen-nordalpinen-mesozoikums-stratigraphie-fauna-u-fazies-d-nordlichen-kalkalpen/oclc/3710249 |access-date=3 March 2022}}</ref> |
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Line 2,797: | Line 2,797: | ||
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''[[Taxodioxylon]]''<ref name="Wilde"/><ref>{{cite journal |last1=Müller-Stoll |first1=W.R. |last2=Schultze-Motel |first2=J. |title=Gymnospermen-Hölzer des Deutschen Jura. Teil 3: Abietoid (modern) getüpfelte Hölzer |journal=Zeitschrift der deutschen geologischen Gesellschaft |date=1990 |volume=141 |issue=2 |pages=61–77}}</ref> |
''[[Taxodioxylon]]''<ref name="Wilde"/><ref>{{cite journal |last1=Müller-Stoll |first1=W.R. |last2=Schultze-Motel |first2=J. |title=Gymnospermen-Hölzer des Deutschen Jura. Teil 3: Abietoid (modern) getüpfelte Hölzer |journal=Zeitschrift der deutschen geologischen Gesellschaft |date=1990 |volume=141 |issue=2 |pages=61–77|doi=10.1127/zdgg/141/1990/61 }}</ref> |
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*''cf. Taxodioxylon sp.'' |
*''cf. Taxodioxylon sp.'' |
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Line 2,839: | Line 2,839: | ||
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''[[Circoporoxylon]]''<ref name="Wilde"/><ref>{{cite journal |last1=Süss |first1=H. |last2=Philippe |first2=M. |title=Holzanatomische Untersuchungen an einem fossilen Holz, Circoporoxylon grandiporosum Müller‐Stoll et Schultze‐Motel, aus dem Unteren Jura von Frankreich |journal=Feddes Repertorium |date=1993 |volume=104 |issue=8 |pages=451–463 |url=https://www.researchgate.net/publication/ |
''[[Circoporoxylon]]''<ref name="Wilde"/><ref>{{cite journal |last1=Süss |first1=H. |last2=Philippe |first2=M. |title=Holzanatomische Untersuchungen an einem fossilen Holz, Circoporoxylon grandiporosum Müller‐Stoll et Schultze‐Motel, aus dem Unteren Jura von Frankreich |journal=Feddes Repertorium |date=1993 |volume=104 |issue=8 |pages=451–463 |doi=10.1002/fedr.19931040706 |url=https://www.researchgate.net/publication/247939075 |access-date=3 March 2022}}</ref><ref name=Xenox>{{cite journal |last1=Philippe |first1=M. |last2=Tchoumatchenco |first2=P. |title=Palaeoecologically significant wood genus Xenoxylon discovered in the East Stara Planina Mts.(East Bulgaria) Balaban Formation (Toarcian, Early Jurassic) |journal=Comptes rendus de l'Académie bulgare des Sciences |date=2008 |volume=61 |issue=5 |pages=633–638 |url=https://www.researchgate.net/publication/281697802 |access-date=3 March 2022}}</ref> |
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*''Circoporoxylon grandiporosum'' |
*''Circoporoxylon grandiporosum'' |
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Line 2,919: | Line 2,919: | ||
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''[[Agathoxylon]]''<ref name="Crino0">{{cite journal |last1=Matzke |first1=A. T. |last2=Maisch |first2=M. W. |title=Palaeoecology and taphonomy of a Seirocrinus (Echinodermata: Crinoidea) colony from the Early Jurassic Posidonienschiefer Formation (Early Toarcian) of Dotternhausen (SW Germany) |journal=Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen |date=2019 |volume=291 |issue=1 |pages=89–107 |url=https://www.schweizerbart.de/papers/njgpa/detail/291/90379/Palaeoecology_and_taphonomy_of_a_Seirocrinus_Echinodermata_Crinoidea_colony_from_the_Early_Jurassic_Posidonienschiefer_Formation_Early_Toarcian_of_Dotternhausen_SW_Germany |access-date=3 March 2022}}</ref> |
''[[Agathoxylon]]''<ref name="Crino0">{{cite journal |last1=Matzke |first1=A. T. |last2=Maisch |first2=M. W. |title=Palaeoecology and taphonomy of a Seirocrinus (Echinodermata: Crinoidea) colony from the Early Jurassic Posidonienschiefer Formation (Early Toarcian) of Dotternhausen (SW Germany) |journal=Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen |date=2019 |volume=291 |issue=1 |pages=89–107 |doi=10.1127/njgpa/2019/0791 |s2cid=134199163 |url=https://www.schweizerbart.de/papers/njgpa/detail/291/90379/Palaeoecology_and_taphonomy_of_a_Seirocrinus_Echinodermata_Crinoidea_colony_from_the_Early_Jurassic_Posidonienschiefer_Formation_Early_Toarcian_of_Dotternhausen_SW_Germany |access-date=3 March 2022}}</ref> |
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*''cf. Agathoxylon sp.'' |
*''cf. Agathoxylon sp.'' |
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Line 3,000: | Line 3,000: | ||
Fossil wood |
Fossil wood |
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Wood of the Protopinaceae, a possible "morpho-group" of the family [[Cheirolepidiaceae]]. Belongs to an invalid group of mostly Paleozoic Woods, and all the woods assigned to the family should be treated as ''Incertae Sedis''.<ref name=Prto>{{cite journal |last1=Bamford |first1=M. K. |last2=Philippe |first2=M. |last3=Thévenard |first3=F. |title=Long overdue extinction of the Protopinaceae |journal=Review of |
Wood of the Protopinaceae, a possible "morpho-group" of the family [[Cheirolepidiaceae]]. Belongs to an invalid group of mostly Paleozoic Woods, and all the woods assigned to the family should be treated as ''Incertae Sedis''.<ref name=Prto>{{cite journal |last1=Bamford |first1=M. K. |last2=Philippe |first2=M. |last3=Thévenard |first3=F. |title=Long overdue extinction of the Protopinaceae |journal=Review of Palaeobotany and Palynology |date=2016 |volume=234 |issue=1 |pages=25–30 |doi=10.1016/j.revpalbo.2016.06.006 |url=https://daneshyari.com/article/preview/4750023.pdf |access-date=3 March 2022}}</ref> |
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[[File:Woodworthia, Late Jurassic, Chinle Formation, Petrified Forest Member, Deschutes River Canyon, Deschutes County, Oregon, USA - Houston Museum of Natural Science - DSC01832.JPG|thumb|center|155px|''[[Woodworthia]]'', example of Protopinaceae]] |
[[File:Woodworthia, Late Jurassic, Chinle Formation, Petrified Forest Member, Deschutes River Canyon, Deschutes County, Oregon, USA - Houston Museum of Natural Science - DSC01832.JPG|thumb|center|155px|''[[Woodworthia]]'', example of Protopinaceae]] |
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''[[Xenoxylon]]''<ref name="Wilde"/><ref name=Xenox/><ref>{{cite journal |last1=Philippe |first1=M. |last2=Thevenard |first2=F. |title=Distribution and palaeoecology of the Mesozoic wood genus Xenoxylon: palaeoclimatological implications for the Jurassic of Western Europe |journal=Review of Palaeobotany and Palynology |date=1996 |volume=91 |issue=4 |pages=353–370 |url= |
''[[Xenoxylon]]''<ref name="Wilde"/><ref name=Xenox/><ref>{{cite journal |last1=Philippe |first1=M. |last2=Thevenard |first2=F. |title=Distribution and palaeoecology of the Mesozoic wood genus Xenoxylon: palaeoclimatological implications for the Jurassic of Western Europe |journal=Review of Palaeobotany and Palynology |date=1996 |volume=91 |issue=4 |pages=353–370 |doi=10.1016/0034-6667(95)00067-4 |url=https://www.academia.edu/15318003 |access-date=3 March 2022}}</ref> |
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*''Xenoxylon phyllocladoides'' |
*''Xenoxylon phyllocladoides'' |
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Line 3,027: | Line 3,027: | ||
==Ichnofossils== |
==Ichnofossils== |
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The major ichnological analyses of the Posidonian Shale come from Dotternhausen/Dormettingen, where the ichnogenus ''[[Phymatoderma]]'' formed the so-called Tafelfleins and Seegrasschiefer.<ref name=Ich>{{cite journal |last1=Rodríguez-Tovar |first1=F. J. |title=Ichnology of the Toarcian Oceanic Anoxic Event: An understimated tool to assess palaeoenvironmental interpretations |journal=Earth-Science Reviews |date=2021 |volume=216 |issue=1 |pages=122–146 |url=https://www.sciencedirect.com/science/article/pii/S0012825221000787 |access-date=3 March 2022}}</ref> The Tafelflein bed was deposited under anoxic bottom and pore water, where a recover of oxygen allow the Phymatoderma-producers return.<ref name=Ich/> The two organic-rich layers (Tafelfleins and Seegrasschiefer) are characterized by the dense occurrence of trace fossils such as ''[[Chondrites]]'' and ''[[Phymatoderma]]'', done episodically due to the fall of the oxygen levels.<ref name=Ich/> The Coeval more nearshore Swiss deposits referred Posidonian Shale ([[Rietheim Member]]) hosted similar trace fossils asthose recovered on SW Germany.<ref name=Ich/> Tougth this setting apparently evolved faster to more oxic-to-dysoxic bottom waters.<ref name=Ich/> |
The major ichnological analyses of the Posidonian Shale come from Dotternhausen/Dormettingen, where the ichnogenus ''[[Phymatoderma]]'' formed the so-called Tafelfleins and Seegrasschiefer.<ref name=Ich>{{cite journal |last1=Rodríguez-Tovar |first1=F. J. |title=Ichnology of the Toarcian Oceanic Anoxic Event: An understimated tool to assess palaeoenvironmental interpretations |journal=Earth-Science Reviews |date=2021 |volume=216 |issue=1 |pages=122–146 |doi=10.1016/j.earscirev.2021.103579 |s2cid=233849558 |url=https://www.sciencedirect.com/science/article/pii/S0012825221000787 |access-date=3 March 2022}}</ref> The Tafelflein bed was deposited under anoxic bottom and pore water, where a recover of oxygen allow the Phymatoderma-producers return.<ref name=Ich/> The two organic-rich layers (Tafelfleins and Seegrasschiefer) are characterized by the dense occurrence of trace fossils such as ''[[Chondrites]]'' and ''[[Phymatoderma]]'', done episodically due to the fall of the oxygen levels.<ref name=Ich/> The Coeval more nearshore Swiss deposits referred Posidonian Shale ([[Rietheim Member]]) hosted similar trace fossils asthose recovered on SW Germany.<ref name=Ich/> Tougth this setting apparently evolved faster to more oxic-to-dysoxic bottom waters.<ref name=Ich/> |
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At Unken, laminated deposits of red limestone suggest well oxygenated active waters (as lack shale), where high amounts of ''[[Chondrites]]'' are found.<ref name=EBLIA/> |
At Unken, laminated deposits of red limestone suggest well oxygenated active waters (as lack shale), where high amounts of ''[[Chondrites]]'' are found.<ref name=EBLIA/> |
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''[[Thalassinoides]]''<ref name=MAJORFos/><ref name=PosidoSwi/><ref name="IchnofossilsAb">{{cite journal |last1=Savrda |first1=C. E. |last2=Bottjer |first2=D. J. |title=Anatomy and Implications of Bioturbated Beds in "Black Shale" Sequences: Examples from the Jurassic Posidonienschiefer (Southern Germany) |journal= |
''[[Thalassinoides]]''<ref name=MAJORFos/><ref name=PosidoSwi/><ref name="IchnofossilsAb">{{cite journal |last1=Savrda |first1=C. E. |last2=Bottjer |first2=D. J. |title=Anatomy and Implications of Bioturbated Beds in "Black Shale" Sequences: Examples from the Jurassic Posidonienschiefer (Southern Germany) |journal=PALAIOS |date=1989 |volume=4 |issue=4 |pages=330–341 |doi=10.2307/3514557 |jstor=3514557 |osti=7154351 |url=https://www.osti.gov/biblio/7154351-anatomy-implications-bioturbated-beds-black-shale-sequences-examples-from-jurassic-posidonienschiefer-southern-germany |access-date=3 March 2022}}</ref> |
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*''Thalassinoides'' sp. |
*''Thalassinoides'' sp. |
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''[[Chondrites]]''<ref name=MAJORFos/><ref name=PosidoSwi/><ref>{{cite journal |last1=Simpson |first1=S. |title=On the trace-fossil Chondrites |journal=Quarterly Journal of the Geological Society |date=1956 |volume=112 |issue=3 |pages=475–499 |url=https://jgs.lyellcollection.org/content/112/1-4/475 |access-date=3 March 2022}}</ref> |
''[[Chondrites]]''<ref name=MAJORFos/><ref name=PosidoSwi/><ref>{{cite journal |last1=Simpson |first1=S. |title=On the trace-fossil Chondrites |journal=Quarterly Journal of the Geological Society |date=1956 |volume=112 |issue=3 |pages=475–499 |doi=10.1144/GSL.JGS.1956.112.01-04.23 |s2cid=129365180 |url=https://jgs.lyellcollection.org/content/112/1-4/475 |access-date=3 March 2022}}</ref> |
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*''Chondrites bollensis'' |
*''Chondrites bollensis'' |
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Burrowing and track ichnofossils |
Burrowing and track ichnofossils |
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Burrow-like ichnofossils. Interpreted as the feeding burrow of a sediment-ingesting animal.<ref>Osgood, R. G. (1975). The history of invertebrate ichnology. In The study of trace fossils (pp. 3–12). Springer, Berlin, Heidelberg.</ref> A more recent study has find that ''[[Scoloplos]]'' armiger and ''[[Heteromastus]]'' filiformis, occurring in the German [[Wadden Sea]] in the lower parts of tidal flats, make burrows that are homonymous with numerous trace fossils of the ichnogenus.<ref>{{cite journal |last1=Hertweck |first1=G. |last2=Wehrmann |first2=A. |last3=Liebezeit |first3=G. |title=Bioturbation structures of polychaetes in modern shallow marine environments and their analogues to Chondrites group traces |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=2007 |volume=245 |issue=4 |pages=382–389 |url=https://www.sciencedirect.com/science/article/pii/S0031018206005116 |access-date=3 March 2022}}</ref> ''Chondrites'' burrows from Holzmaden are mostly filled with granular [[Calcite]] crystals, clay minerals, and rare framboidal [[Pyrite]]. The local dysoxic seawater is reflected on the palaeoredox conditions, relating framboidal pyrite and biogenic processes. ''Chondrites'' appear to be capable of colonizing environments characterized by oxygen levels well below levels needed for survival of other animals, being considered an "extremotolerant" ichnotaxon.<ref>{{cite journal |last1=Baucon |first1=A. |last2=Bednarz |first2=M. |last3=Dufour |first3=S. |last4=Felletti |first4=F. |last5=Malgesini |first5=G. |last6=De Carvalho |first6=C. N. |last7=McIlroy |first7=D. |title=Ethology of the trace fossil Chondrites: form, function and environment |journal=Earth-Science Reviews |date=2019 |volume=202 |issue=1 |pages=223–238 |doi=10.1016/j.earscirev.2019.102989 |url=https://www.sciencedirect.com/science/article/pii/S0012825219300662 |access-date=3 March 2022}}</ref> |
Burrow-like ichnofossils. Interpreted as the feeding burrow of a sediment-ingesting animal.<ref>Osgood, R. G. (1975). The history of invertebrate ichnology. In The study of trace fossils (pp. 3–12). Springer, Berlin, Heidelberg.</ref> A more recent study has find that ''[[Scoloplos]]'' armiger and ''[[Heteromastus]]'' filiformis, occurring in the German [[Wadden Sea]] in the lower parts of tidal flats, make burrows that are homonymous with numerous trace fossils of the ichnogenus.<ref>{{cite journal |last1=Hertweck |first1=G. |last2=Wehrmann |first2=A. |last3=Liebezeit |first3=G. |title=Bioturbation structures of polychaetes in modern shallow marine environments and their analogues to Chondrites group traces |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=2007 |volume=245 |issue=4 |pages=382–389 |doi=10.1016/j.palaeo.2006.09.001 |url=https://www.sciencedirect.com/science/article/pii/S0031018206005116 |access-date=3 March 2022}}</ref> ''Chondrites'' burrows from Holzmaden are mostly filled with granular [[Calcite]] crystals, clay minerals, and rare framboidal [[Pyrite]]. The local dysoxic seawater is reflected on the palaeoredox conditions, relating framboidal pyrite and biogenic processes. ''Chondrites'' appear to be capable of colonizing environments characterized by oxygen levels well below levels needed for survival of other animals, being considered an "extremotolerant" ichnotaxon.<ref>{{cite journal |last1=Baucon |first1=A. |last2=Bednarz |first2=M. |last3=Dufour |first3=S. |last4=Felletti |first4=F. |last5=Malgesini |first5=G. |last6=De Carvalho |first6=C. N. |last7=McIlroy |first7=D. |title=Ethology of the trace fossil Chondrites: form, function and environment |journal=Earth-Science Reviews |date=2019 |volume=202 |issue=1 |pages=223–238 |doi=10.1016/j.earscirev.2019.102989 |s2cid=210269603 |url=https://www.sciencedirect.com/science/article/pii/S0012825219300662 |access-date=3 March 2022}}</ref> |
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[[File:Chondrites.JPG|thumb|center|155px|Illustration of ''Chondrites bollensis'']] |
[[File:Chondrites.JPG|thumb|center|155px|Illustration of ''Chondrites bollensis'']] |
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''[[Phymatoderma]]''<ref name="Izumi">{{cite journal |last1=Izumi |first1=K. |title=Formation process of the trace fossil Phymatoderma granulata in the Lower Jurassic black shale (Posidonia Shale, southern Germany) and its paleoecological implications. |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=2012 |volume=353 |issue=2 |pages=116–122 |url=https://www.researchgate.net/publication/ |
''[[Phymatoderma]]''<ref name="Izumi">{{cite journal |last1=Izumi |first1=K. |title=Formation process of the trace fossil Phymatoderma granulata in the Lower Jurassic black shale (Posidonia Shale, southern Germany) and its paleoecological implications. |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=2012 |volume=353 |issue=2 |pages=116–122 |doi=10.1016/j.palaeo.2012.07.021 |url=https://www.researchgate.net/publication/256822169 |access-date=3 March 2022}}</ref> |
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*''Phymatoderma granulata'' |
*''Phymatoderma granulata'' |
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Burrowing and track ichnofossils. |
Burrowing and track ichnofossils. |
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Burrow-like ichnofossils. It consists commonly on a subhorizontal branching burrow system consisting of radiating tunnels filled with fecal pellets.<ref name=Izumi/> It has been interpreted as a product made by an [[Endobenthic]] deposit-feeding animal, specially a [[Fodinichnia]], burrows produced by benthonic subsurface food-mining activity, as is proved by the tunnels and pelletal infill.<ref name=Izumi/> The study of the Fecal Pellets has revelated that the maker of this ichnogenus was an epicontinental shelf setting non-selective deposit feeder, ingesting particles on the sediment surface without selection. A mode of feeding common on aquatic [[Benthos]], reported on modern animals such as [[Spionida|Spionid]] Polychaete worms, tropical [[Holothuria]]ns and [[Spatangoida|Spatangoid]] urchins.<ref name=Pellets>{{cite journal |last1=Izumi |first1=K. |title=Geochemical composition of faecal pellets as an indicator of deposit‐feeding strategies in the trace fossil Phymatoderma |journal=Lethaia |date=2013 |volume=46 |issue=4 |pages=496–507 |url=https://onlinelibrary.wiley.com/doi/full/10.1111/let.12028 |access-date=3 March 2022}}</ref> |
Burrow-like ichnofossils. It consists commonly on a subhorizontal branching burrow system consisting of radiating tunnels filled with fecal pellets.<ref name=Izumi/> It has been interpreted as a product made by an [[Endobenthic]] deposit-feeding animal, specially a [[Fodinichnia]], burrows produced by benthonic subsurface food-mining activity, as is proved by the tunnels and pelletal infill.<ref name=Izumi/> The study of the Fecal Pellets has revelated that the maker of this ichnogenus was an epicontinental shelf setting non-selective deposit feeder, ingesting particles on the sediment surface without selection. A mode of feeding common on aquatic [[Benthos]], reported on modern animals such as [[Spionida|Spionid]] Polychaete worms, tropical [[Holothuria]]ns and [[Spatangoida|Spatangoid]] urchins.<ref name=Pellets>{{cite journal |last1=Izumi |first1=K. |title=Geochemical composition of faecal pellets as an indicator of deposit‐feeding strategies in the trace fossil Phymatoderma |journal=Lethaia |date=2013 |volume=46 |issue=4 |pages=496–507 |doi=10.1111/let.12028 |url=https://onlinelibrary.wiley.com/doi/full/10.1111/let.12028 |access-date=3 March 2022}}</ref> |
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Line 3,188: | Line 3,188: | ||
Burrowing and track ichnofossils. |
Burrowing and track ichnofossils. |
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Burrow-like ichnofossils. It is controversial, since is considered a strictly a junior synonym of ''[[Palaeophycus]]''.<ref>{{cite journal |last1=Keighley |first1=D. G. |last2=Pickerill |first2=R. K. |title=The ichnotaxa Palaeophycus and Planolites_ historical perspectives and recommendations_ |journal=An International Journal for Plant and Animal Traces |date=1995 |volume=33 |issue=4 |pages=566–572 |url=https://www.tandfonline.com/doi/pdf/10.1080/10420949509386400 |access-date=3 March 2022}}</ref> |
Burrow-like ichnofossils. It is controversial, since is considered a strictly a junior synonym of ''[[Palaeophycus]]''.<ref>{{cite journal |last1=Keighley |first1=D. G. |last2=Pickerill |first2=R. K. |title=The ichnotaxa Palaeophycus and Planolites_ historical perspectives and recommendations_ |journal=An International Journal for Plant and Animal Traces |date=1995 |volume=33 |issue=4 |pages=566–572 |doi=10.1080/10420949509386400 |url=https://www.tandfonline.com/doi/pdf/10.1080/10420949509386400 |access-date=3 March 2022}}</ref> |
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[[File:Planolites.jpg|thumb|center|155px|Example of ''Planolites'' fossil]] |
[[File:Planolites.jpg|thumb|center|155px|Example of ''Planolites'' fossil]] |
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''[[Meleagrinella]]''<ref name=Monotit/><ref name=PosidoSwi>{{cite journal |last1=Kuhn |first1=O. |last2=Etter |first2=W. |title=Der Posidonienschiefer der Nordschweiz: Lithostratigraphie, Biostratigraphie und Fazies |journal=Eclogae Geologicae Helvetiae |date=1994 |volume=87 |issue=1 |pages=113–138 |url=https://www.researchgate.net/publication/ |
''[[Meleagrinella]]''<ref name=Monotit/><ref name=PosidoSwi>{{cite journal |last1=Kuhn |first1=O. |last2=Etter |first2=W. |title=Der Posidonienschiefer der Nordschweiz: Lithostratigraphie, Biostratigraphie und Fazies |journal=Eclogae Geologicae Helvetiae |date=1994 |volume=87 |issue=1 |pages=113–138 |url=https://www.researchgate.net/publication/304673516 |access-date=3 March 2022}}</ref> |
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*''Meleagrinella substriata'' |
*''Meleagrinella substriata'' |
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* Dotternhausen |
* Dotternhausen |
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* Dörnten |
* Dörnten |
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* Langenbrücken<ref name="CaswellClamA">{{cite journal |last1=Caswell |first1=B. A. |last2=Coe |first2=A. L. |last3=Cohen |first3=A. S. |title=New range data for marine invertebrate species across the early Toarcian (Early Jurassic) mass extinction |journal=Journal of the Geological Society |date=2009 |volume=166 |issue=5 |pages=859–872 |url=https://www.researchgate.net/publication/ |
* Langenbrücken<ref name="CaswellClamA">{{cite journal |last1=Caswell |first1=B. A. |last2=Coe |first2=A. L. |last3=Cohen |first3=A. S. |title=New range data for marine invertebrate species across the early Toarcian (Early Jurassic) mass extinction |journal=Journal of the Geological Society |date=2009 |volume=166 |issue=5 |pages=859–872 |doi=10.1144/0016-76492008-0831 |s2cid=140675044 |url=https://www.researchgate.net/publication/48991328 |access-date=3 March 2022}}</ref> |
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* Aselfingen |
* Aselfingen |
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* Fützen |
* Fützen |
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''[[Praearctotis]]''<ref name=Monotit>{{cite journal |last1=Lutikov |first1=O.A. |last2=Arp |first2=G. |title=Revision Monotis substriata (Münster, 1831) and new species of bivalve molluscs in the Lower Toarcian in northern Russia and southern Germany (family Oxytomidae Ichikawa, 1958) |journal=Jurassic |
''[[Praearctotis]]''<ref name=Monotit>{{cite journal |last1=Lutikov |first1=O.A. |last2=Arp |first2=G. |title=Revision Monotis substriata (Münster, 1831) and new species of bivalve molluscs in the Lower Toarcian in northern Russia and southern Germany (family Oxytomidae Ichikawa, 1958) |journal=Jurassic System of Russia: Problems of Stratigraphy and Paleogeography |date=2020 |volume=2 |issue=1 |pages=125–131 |url=https://www.researchgate.net/publication/344852591 |access-date=3 March 2022}}</ref> |
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*''Praearctotis substriata'' |
*''Praearctotis substriata'' |
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''[[Camptonectes]]''<ref name=Oxs>{{cite journal |last1=Arp |first1=G. |last2=Gropengießer |first2=S. |last3=Schulbert |first3=C. |last4=Jung |first4=D. |last5=Reimer |first5=A. |title=Biostratigraphy and sequence stratigraphy of the Toarcian Ludwigskanal section (Franconian Alb, Southern Germany) |journal=Zitteliana |date=2021 |volume=95 |issue=1 |pages=95 |
''[[Camptonectes]]''<ref name=Oxs>{{cite journal |last1=Arp |first1=G. |last2=Gropengießer |first2=S. |last3=Schulbert |first3=C. |last4=Jung |first4=D. |last5=Reimer |first5=A. |title=Biostratigraphy and sequence stratigraphy of the Toarcian Ludwigskanal section (Franconian Alb, Southern Germany) |journal=Zitteliana |date=2021 |volume=95 |issue=1 |pages=95–57 |doi=10.3897/zitteliana.95.56222 |s2cid=237384737 |url=https://zitteliana.pensoft.net/article/56222/ |access-date=3 March 2022}}</ref> |
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*''Camptonectes subulatus'' |
*''Camptonectes subulatus'' |
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20.000 specimens/m<sup>2</sup> |
20.000 specimens/m<sup>2</sup> |
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A [[Posidoniidae|posidoniid]] [[ostreoida]]n. It is the type fossil of the Sachrang Formation. Originally it was named "''Posidonia bronni''", thought to be a new genus, and the strata was denominated the Posidonia layers after it. Years later it turned out to be a junior synonym of ''Bositra'', and thus, it was reassigned. However, the name of the layers was retained. The habitat and mode of life of ''Bositra'' has been debated for more than a century. There have been different interpretations, such as a pseudoplanktonic organism,<ref name= hauff>{{cite journal |last1=Hauff |first1=B. |title=Untersuchung der Fossilfundstätten von Holzmaden im Posidonienschiefer des Oberen Lias Württembergs |journal=Palaeontographica |date=1921 |volume=64 |issue=1 |pages=1–42 |url=https://www.schweizerbart.de/papers/palae/detail/64/67083/Untersuchung_der_Fossilfundstatten_von_Holzmaden_im_Posidonienschiefer_des_oberen_Lias_Wurttembergs |access-date=3 March 2022}}</ref> a benthic organism related to open marine floor, where it was the main inhabitant of the basinal settings, and a hybrid mode, where it has a life cycle with holopelagic reproduction controlled by the change on Oxygen levels, and even a chemosymbiotic lifestile, related to the large crinoid rafts, being the main "Safe conduct" to evade anoxic events. All the opinions along the years led to a large study in 1998, where the size/frequency distribution, the density of growth thanks to the lines related to the shell size and the position of the redox boundary by total organic carbon diagrams has revealed that ''Bositra'' probably had a benthic mode of life.<ref name=Rohl>{{cite journal |last1=Röhl |first1=H. J. |title=Hochauflösende palökologische und sedimentologische Untersuchungen im Posidonienschiefer (Lias e)[epsilon)] von SW-Deutschland |journal=Inst. |
A [[Posidoniidae|posidoniid]] [[ostreoida]]n. It is the type fossil of the Sachrang Formation. Originally it was named "''Posidonia bronni''", thought to be a new genus, and the strata was denominated the Posidonia layers after it. Years later it turned out to be a junior synonym of ''Bositra'', and thus, it was reassigned. However, the name of the layers was retained. The habitat and mode of life of ''Bositra'' has been debated for more than a century. There have been different interpretations, such as a pseudoplanktonic organism,<ref name= hauff>{{cite journal |last1=Hauff |first1=B. |title=Untersuchung der Fossilfundstätten von Holzmaden im Posidonienschiefer des Oberen Lias Württembergs |journal=Palaeontographica |date=1921 |volume=64 |issue=1 |pages=1–42 |url=https://www.schweizerbart.de/papers/palae/detail/64/67083/Untersuchung_der_Fossilfundstatten_von_Holzmaden_im_Posidonienschiefer_des_oberen_Lias_Wurttembergs |access-date=3 March 2022}}</ref> a benthic organism related to open marine floor, where it was the main inhabitant of the basinal settings, and a hybrid mode, where it has a life cycle with holopelagic reproduction controlled by the change on Oxygen levels, and even a chemosymbiotic lifestile, related to the large crinoid rafts, being the main "Safe conduct" to evade anoxic events. All the opinions along the years led to a large study in 1998, where the size/frequency distribution, the density of growth thanks to the lines related to the shell size and the position of the redox boundary by total organic carbon diagrams has revealed that ''Bositra'' probably had a benthic mode of life.<ref name=Rohl>{{cite journal |last1=Röhl |first1=H. J. |title=Hochauflösende palökologische und sedimentologische Untersuchungen im Posidonienschiefer (Lias e)[epsilon)] von SW-Deutschland |journal=Inst. Und Museum für Geologie und Paläontologie |date=1998 |volume=48 |issue=1 |pages=1–189 |url=https://lgrbwissen.lgrb-bw.de/hochaufloesende-geochemische-untersuchungen-im-posidonienschiefer-lias-epsilon-sw-deutschland |access-date=3 March 2022}}</ref> |
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[[File:Bositra buchi 45.jpg|thumb|center|155px|Thousands of specimens in one matrix]] |
[[File:Bositra buchi 45.jpg|thumb|center|155px|Thousands of specimens in one matrix]] |
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''[[Parainoceramya]]''<ref name=Parai>{{cite journal |last1=Ros-Franch |first1=S. |last2=Damborenea |first2=S. E. |last3=Márquez-Aliaga |first3=A. |last4=Manceñido |first4=M. O. |title=Parainoceramya n. gen. for Parainoceramus Cox, 1954 (ex Voronetz, 1936) partim (Bivalvia, Jurassic) |journal=Journal of Paleontology |date=2015 |volume=89 |issue=1 |pages=20–27 |url=https://www.cambridge.org/core/journals/journal-of-paleontology/article/parainoceramya-n-gen-for-parainoceramus-cox-1954-ex-voronetz-1936-partim-bivalvia-jurassic/0EE3776DFB262324AD46C3B88957AF35 |access-date=3 March 2022}}</ref> |
''[[Parainoceramya]]''<ref name=Parai>{{cite journal |last1=Ros-Franch |first1=S. |last2=Damborenea |first2=S. E. |last3=Márquez-Aliaga |first3=A. |last4=Manceñido |first4=M. O. |title=Parainoceramya n. gen. for Parainoceramus Cox, 1954 (ex Voronetz, 1936) partim (Bivalvia, Jurassic) |journal=Journal of Paleontology |date=2015 |volume=89 |issue=1 |pages=20–27 |doi=10.1017/jpa.2014.3 |s2cid=86571525 |url=https://www.cambridge.org/core/journals/journal-of-paleontology/article/parainoceramya-n-gen-for-parainoceramus-cox-1954-ex-voronetz-1936-partim-bivalvia-jurassic/0EE3776DFB262324AD46C3B88957AF35 |access-date=3 March 2022}}</ref> |
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*''Parainoceramya dubius'' |
*''Parainoceramya dubius'' |
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Line 4,054: | Line 4,054: | ||
* Isolated valves |
* Isolated valves |
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A [[Grammatodontinae]] [[clam]]. This Genus had a lecithotrophic and planktotrophic larval development.<ref name=biology>{{cite journal |last1=Röhl |first1=H. J. |last2=Schmid-Röhl |first2=A. |last3=Oschmann |first3=W. |last4=Frimmel |first4=A. |last5=Schwark |first5=L. |title=The Posidonia Shale (Lower Toarcian) of SW-Germany: an oxygen-depleted ecosystem controlled by sea level and palaeoclimate |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=2001 |volume=165 |issue=2 |pages=27–52 |url=https://www.sciencedirect.com/science/article/pii/S0031018200001528 |access-date=3 March 2022}}</ref> |
A [[Grammatodontinae]] [[clam]]. This Genus had a lecithotrophic and planktotrophic larval development.<ref name=biology>{{cite journal |last1=Röhl |first1=H. J. |last2=Schmid-Röhl |first2=A. |last3=Oschmann |first3=W. |last4=Frimmel |first4=A. |last5=Schwark |first5=L. |title=The Posidonia Shale (Lower Toarcian) of SW-Germany: an oxygen-depleted ecosystem controlled by sea level and palaeoclimate |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |date=2001 |volume=165 |issue=2 |pages=27–52 |doi=10.1016/S0031-0182(00)00152-8 |url=https://www.sciencedirect.com/science/article/pii/S0031018200001528 |access-date=3 March 2022}}</ref> |
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''[[Pterotrachea]]''<ref name=MarineGasteropod>{{cite journal |last1=Bandel |first1=K. |last2=Hemleben |first2=C. |title=Jurassic heteropods and their modern counterparts (planktonic Gastropoda, Mollusca) |journal=Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen |date=1987 |volume=174 |issue=2 |pages=1–22 |url=https://www.researchgate.net/publication/ |
''[[Pterotrachea]]''<ref name=MarineGasteropod>{{cite journal |last1=Bandel |first1=K. |last2=Hemleben |first2=C. |title=Jurassic heteropods and their modern counterparts (planktonic Gastropoda, Mollusca) |journal=Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen |date=1987 |volume=174 |issue=2 |pages=1–22 |url=https://www.researchgate.net/publication/287013194 |access-date=3 March 2022}}</ref> |
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*''Pterotrachea liassica'' |
*''Pterotrachea liassica'' |
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Line 4,364: | Line 4,364: | ||
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''[[Cenoceras]]''<ref name=Ammofuna>{{cite book |last1=Schulbert |first1=C. |title=Die Ammonitenfauna und Stratigraphie der Tongrube Mistelgau bei Bayreuth (Oberfranken) |date=2001 |publisher=Digital Druck AG |location=Berlin |edition=4 |url=https://www.researchgate.net/publication/ |
''[[Cenoceras]]''<ref name=Ammofuna>{{cite book |last1=Schulbert |first1=C. |title=Die Ammonitenfauna und Stratigraphie der Tongrube Mistelgau bei Bayreuth (Oberfranken) |date=2001 |publisher=Digital Druck AG |location=Berlin |edition=4 |url=https://www.researchgate.net/publication/259863689 |access-date=2 March 2022}}</ref><ref name=Regensbur>{{cite journal |last1=Pompeckj |first1=J. |title=Der Jura zwischen Regensburg und Regenstauf: Geognostische Jahreshefte |journal=Bayerischen Staatsministeriums des Innern |date=1901 |volume=14 |issue=3 |pages=1–290 |url=https://www.lfu.bayern.de/geologie/geo_karten_schriften/historische_schriften/doc/1901_14.pdf |access-date=2 March 2022}}</ref> |
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*''Cenoceras intermedium'' |
*''Cenoceras intermedium'' |
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Line 4,382: | Line 4,382: | ||
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''[[Lytoceras]]''<ref name="Riegraf1"/><ref name=Ammofuna/><ref name=Regensbur/><ref name=Named>{{cite journal |last1=Jacobshagen |first1=V. |title=Die Allgäu-Schichten (Jura-Fleckenmergel) zwischen Wettersteingebirge und Rhein |journal=Geol. Bundesanstalt |date=1965 |volume=108 |issue=1 |pages=1–114 |url=https://www.zobodat.at/pdf/JbGeolReichsanst_108_0001-0114.pdf |access-date=2 March 2022}}</ref><ref name=Lythoa>{{cite journal |last1=Maisch |first1=M. W. |last2=Hoffmann |first2=R. |title=Lytoceratids (Cephalopoda, Ammonoidea) from the Lower Posidonienschiefer Formation (Tenuicostatum Zone, Early Jurassic) of Baden-Württemberg (south-western Germany) |journal=Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen |date=2017 |volume=283 |issue=3 |pages=275–289 |url=https://www.researchgate.net/publication/ |
''[[Lytoceras]]''<ref name="Riegraf1"/><ref name=Ammofuna/><ref name=Regensbur/><ref name=Named>{{cite journal |last1=Jacobshagen |first1=V. |title=Die Allgäu-Schichten (Jura-Fleckenmergel) zwischen Wettersteingebirge und Rhein |journal=Geol. Bundesanstalt |date=1965 |volume=108 |issue=1 |pages=1–114 |url=https://www.zobodat.at/pdf/JbGeolReichsanst_108_0001-0114.pdf |access-date=2 March 2022}}</ref><ref name=Lythoa>{{cite journal |last1=Maisch |first1=M. W. |last2=Hoffmann |first2=R. |title=Lytoceratids (Cephalopoda, Ammonoidea) from the Lower Posidonienschiefer Formation (Tenuicostatum Zone, Early Jurassic) of Baden-Württemberg (south-western Germany) |journal=Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen |date=2017 |volume=283 |issue=3 |pages=275–289 |doi=10.1127/njgpa/2017/0640 |url=https://www.researchgate.net/publication/314288053 |access-date=2 March 2022}}</ref><ref name=MainAMMONIT>{{cite journal |last1=Maisch |first1=Michael W. |title=Neubewertung der Ammonitenfauna der Posidonienschiefer-Formation (Unterjura, Toarcium) von Baden-Württemberg, Südwestdeutschland |journal=Jahreshefte der Gesellschaft für Naturkunde in Württemberg |date=2021 |volume=177 |issue=1 |pages=265–347 |doi=10.26251/jhgfn.177.2021.265-347 |url=https://www.researchgate.net/publication/358211453 |access-date=2 March 2022}}</ref> |
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*''Lytoceras ceratophagum'' |
*''Lytoceras ceratophagum'' |
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Line 4,617: | Line 4,617: | ||
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''[[Cleviceras]]''<ref name=MainAMMONIT/><ref name=vulcanism>{{cite journal |last1=Neumeister |first1=S. |last2=Gratzer |first2=R. |last3=Algeo |first3=T. J. |last4=Bechtel |first4=A. |last5=Gawlick |first5=H. J. |last6=Newton |first6=R. J. |last7=Sachsenhofer |first7=R. F. |title=Oceanic response to Pliensbachian and Toarcian magmatic events: Implications from an organic-rich basinal succession in the NW Tethys |journal=Global and Planetary Change |date=2015 |volume=126 |issue=3 |pages=62–83 |url=https://ui.adsabs.harvard.edu/abs/2015GPC...126...62N/abstract |access-date=2 March 2022}}</ref><ref name=Clevaos>{{cite journal |last1=Mutterlose |first1=J. |last2=Klopschar |first2=M. |last3=Visentin |first3=S. |title=Ecological Adaptation of Marine Floras and Faunas Across the Early Jurassic Toarcian Oceanic Anoxic Event–a Case Study from Northern Germany |journal=SSRN |date=2022 |volume=34 |issue=1 |pages=1–43 |url=https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4039594 |access-date=2 March 2022}}</ref> |
''[[Cleviceras]]''<ref name=MainAMMONIT/><ref name=vulcanism>{{cite journal |last1=Neumeister |first1=S. |last2=Gratzer |first2=R. |last3=Algeo |first3=T. J. |last4=Bechtel |first4=A. |last5=Gawlick |first5=H. J. |last6=Newton |first6=R. J. |last7=Sachsenhofer |first7=R. F. |title=Oceanic response to Pliensbachian and Toarcian magmatic events: Implications from an organic-rich basinal succession in the NW Tethys |journal=Global and Planetary Change |date=2015 |volume=126 |issue=3 |pages=62–83 |doi=10.1016/j.gloplacha.2015.01.007 |bibcode=2015GPC...126...62N |url=https://ui.adsabs.harvard.edu/abs/2015GPC...126...62N/abstract |access-date=2 March 2022}}</ref><ref name=Clevaos>{{cite journal |last1=Mutterlose |first1=J. |last2=Klopschar |first2=M. |last3=Visentin |first3=S. |title=Ecological Adaptation of Marine Floras and Faunas Across the Early Jurassic Toarcian Oceanic Anoxic Event–a Case Study from Northern Germany |journal=SSRN |date=2022 |volume=34 |issue=1 |pages=1–43 |ssrn=4039594 |url=https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4039594 |access-date=2 March 2022}}</ref> |
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*''Cleviceras exaratum'' |
*''Cleviceras exaratum'' |
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Line 4,881: | Line 4,881: | ||
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''[[Hildoceras]]''<ref name=Regensbur/><ref name="Hille1">{{cite journal |last1=Hille |first1=P. J. |title=De fossielen uit de Posidonienschiefer van Holzmaden en omgeving |journal=GEA |date=2002 |volume=35 |issue=2 |pages=8–17 |url=https://natuurtijdschriften.nl/pub/415256/GEA2002035002002.pdf |access-date=2 March 2022}}</ref><ref name="DelsateLuxem">{{cite journal |last1=Delsate |first1=D. |last2=Weis |first2=R. |title=La Couche à Crassum (Toarcien moyen) au Luxembourg: stratigraphie et faunes de la coupe de Dudelange-Zoufftgen |journal=Ferrantia |date=2010 |volume=62 |issue=2 |pages=35–62 |url=https://www.researchgate.net/publication/ |
''[[Hildoceras]]''<ref name=Regensbur/><ref name="Hille1">{{cite journal |last1=Hille |first1=P. J. |title=De fossielen uit de Posidonienschiefer van Holzmaden en omgeving |journal=GEA |date=2002 |volume=35 |issue=2 |pages=8–17 |url=https://natuurtijdschriften.nl/pub/415256/GEA2002035002002.pdf |access-date=2 March 2022}}</ref><ref name="DelsateLuxem">{{cite journal |last1=Delsate |first1=D. |last2=Weis |first2=R. |title=La Couche à Crassum (Toarcien moyen) au Luxembourg: stratigraphie et faunes de la coupe de Dudelange-Zoufftgen |journal=Ferrantia |date=2010 |volume=62 |issue=2 |pages=35–62 |url=https://www.researchgate.net/publication/255822290 |access-date=2 March 2022}}</ref> |
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*''Hildoceras levisoni'' |
*''Hildoceras levisoni'' |
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Line 5,091: | Line 5,091: | ||
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''[[Dactylioceras]]''<ref name=Regensbur/><ref name="Hille1" /><ref name=Named/><ref name=Clevaos/><ref name=MainAMMONIT/><ref name=MonotisD>{{cite journal |last1=Arp |first1=G. |last2=Gropengießer |first2=S. |title=The Monotis–Dactylioceras Bed in the Posidonienschiefer Formation (Toarcian, southern Germany): condensed section, tempestite, or tsunami-generated deposit? |journal=PalZ |date=2016 |volume=90 |issue=2 |pages=271–286 |url=https://link.springer.com/article/10.1007/s12542-015-0271-7 |access-date=2 March 2022}}</ref><ref name=Dactyli>{{cite journal |last1=Von Michael |first1=W. Maisch |title=Neue Dactylioceratiden (Cephalopoda, Ammonitina) |
''[[Dactylioceras]]''<ref name=Regensbur/><ref name="Hille1" /><ref name=Named/><ref name=Clevaos/><ref name=MainAMMONIT/><ref name=MonotisD>{{cite journal |last1=Arp |first1=G. |last2=Gropengießer |first2=S. |title=The Monotis–Dactylioceras Bed in the Posidonienschiefer Formation (Toarcian, southern Germany): condensed section, tempestite, or tsunami-generated deposit? |journal=PalZ |date=2016 |volume=90 |issue=2 |pages=271–286 |doi=10.1007/s12542-015-0271-7 |s2cid=128091360 |url=https://link.springer.com/article/10.1007/s12542-015-0271-7 |access-date=2 March 2022}}</ref><ref name=Dactyli>{{cite journal |last1=Von Michael |first1=W. Maisch |title=Neue Dactylioceratiden (Cephalopoda, Ammonitina) aus dem untersten Toarcium (Tenuicostatum-Zone) von Baden-Württemberg, Südwestdeutschland Jh |journal=Ges. Naturkde. Württemberg174Stuttgart |date=2018 |volume=174 |issue=1 |pages=143–172 |url=https://www.researchgate.net/publication/331674067 |access-date=2 March 2022}}</ref> |
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*''Dactylioceras semiannulatum'' |
*''Dactylioceras semiannulatum'' |
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Line 5,437: | Line 5,437: | ||
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''[[Chitinobelus]]''<ref>{{cite journal |last1=Fischer |first1=K. C. |last2=KC |first2=F. |title=Chitinobelus acifer ngn sp., ein ungewöhnlicher Belemnit aus dem Lias epsilon von Holzmaden |journal=Neues Jahrbuch für Geologie und Paläontologie. Monatshefte |date=1981 |volume=78 |issue=1 |pages=141–148 |url=https://www.leo-bw.de/web/guest/detail/-/Detail/details/DOKUMENT/wlbblb_labi/3132984/Chitinobelus+acifer+n+g+n+sp+ein+ungew%C3%B6hnlicher+Belemnit+aus+dem+Lias+epsilon+von+Holzmaden |access-date=2 March 2022}}</ref> |
''[[Chitinobelus]]''<ref>{{cite journal |last1=Fischer |first1=K. C. |last2=KC |first2=F. |title=Chitinobelus acifer ngn sp., ein ungewöhnlicher Belemnit aus dem Lias epsilon von Holzmaden |journal=Neues Jahrbuch für Geologie und Paläontologie. Monatshefte |date=1981 |volume=78 |issue=1 |pages=141–148 |doi=10.1127/njgpm/1981/1981/141 |url=https://www.leo-bw.de/web/guest/detail/-/Detail/details/DOKUMENT/wlbblb_labi/3132984/Chitinobelus+acifer+n+g+n+sp+ein+ungew%C3%B6hnlicher+Belemnit+aus+dem+Lias+epsilon+von+Holzmaden |access-date=2 March 2022}}</ref> |
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*''Chitinobelus acifer'' |
*''Chitinobelus acifer'' |
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Line 5,610: | Line 5,610: | ||
*''Youngibelus gigas'' |
*''Youngibelus gigas'' |
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*''Youngibelus giganteus'' |
*''Youngibelus giganteus'' |
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*''Youngibelus ohmdenensis''<ref name=MassiveBelemn>{{cite journal |last1=Schlegelmilch |first1=R. |title=Formenkundlicher Teil. In Die Belemniten des süddeutschen Jura |journal=Spektrum Akademischer Verlag, Heidelberg |date=1998 |volume=87 |issue=1 |pages=39–89 |url=https://link.springer.com/book/10.1007/978-3-8274-3083-0 |access-date=2 March 2022}}</ref> |
*''Youngibelus ohmdenensis''<ref name=MassiveBelemn>{{cite journal |last1=Schlegelmilch |first1=R. |title=Formenkundlicher Teil. In Die Belemniten des süddeutschen Jura |journal=Spektrum Akademischer Verlag, Heidelberg |date=1998 |volume=87 |issue=1 |pages=39–89 |doi=10.1007/978-3-8274-3083-0 |isbn=978-3-8274-3082-3 |url=https://link.springer.com/book/10.1007/978-3-8274-3083-0 |access-date=2 March 2022}}</ref> |
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*''Youngibelus simpsoni'' |
*''Youngibelus simpsoni'' |
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''[[Loligosepia]]''<ref name=Crown>{{cite journal |last1=Fuchs |first1=D. |last2=Keupp |first2=H. |last3=Schweigert |first3=G. |title=First record of a complete arm crown of the Early Jurassic coleoid Loligosepia (Cephalopoda) |journal=Paläontologische Zeitschrift |date=2013 |volume=87 |issue=3 |pages=431–435 |url=https://www.researchgate.net/publication/ |
''[[Loligosepia]]''<ref name=Crown>{{cite journal |last1=Fuchs |first1=D. |last2=Keupp |first2=H. |last3=Schweigert |first3=G. |title=First record of a complete arm crown of the Early Jurassic coleoid Loligosepia (Cephalopoda) |journal=Paläontologische Zeitschrift |date=2013 |volume=87 |issue=3 |pages=431–435 |doi=10.1007/s12542-013-0182-4 |s2cid=129112888 |url=https://www.researchgate.net/publication/257787567 |access-date=2 March 2022}}</ref> |
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*''Loligosepia aalensis'' |
*''Loligosepia aalensis'' |
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Line 5,758: | Line 5,758: | ||
*Isolated Hooks |
*Isolated Hooks |
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A [[Loligosepiidae]] [[Loligosepiida]]n ([[Vampyromorpha]]).<ref name=Lol>{{cite journal |last1=Doguzhaeva |first1=L. A |last2=Mutvei |first2=H. |title=Gladius composition and ultrastructure in extinct squid-like coleoids: Loligosepia, Trachyteuthis and Teudopsis |journal=Revue de Paléobiologie |date=2003 |volume=22 |issue=2 |pages=877–894}}</ref> The Loligosepiidae is believed to be ancestral to the Recent vampire squid, ''[[Vampyroteuthis]] infernalis''.<ref name=loligo>{{cite journal |last1=Fuchs |first1=D. |last2=Weis |first2=R. |title=Taxonomy, morphology and phylogeny of Lower Jurassic loligosepiid coleoids (Cephalopoda) |journal=Neues Jahrbuch |
A [[Loligosepiidae]] [[Loligosepiida]]n ([[Vampyromorpha]]).<ref name=Lol>{{cite journal |last1=Doguzhaeva |first1=L. A |last2=Mutvei |first2=H. |title=Gladius composition and ultrastructure in extinct squid-like coleoids: Loligosepia, Trachyteuthis and Teudopsis |journal=Revue de Paléobiologie |date=2003 |volume=22 |issue=2 |pages=877–894}}</ref> The Loligosepiidae is believed to be ancestral to the Recent vampire squid, ''[[Vampyroteuthis]] infernalis''.<ref name=loligo>{{cite journal |last1=Fuchs |first1=D. |last2=Weis |first2=R. |title=Taxonomy, morphology and phylogeny of Lower Jurassic loligosepiid coleoids (Cephalopoda) |journal=Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen |date=2008 |volume=249 |issue=1 |pages=93–112 |doi=10.1127/0077-7749/2008/0249-0093 |url=https://www.researchgate.net/publication/233695022 |access-date=2 March 2022}}</ref> Hooklets in the food residues in the posterior mantle indicate that ''Loligosepia'' preyed upon belemnites.<ref name=Crown/> |
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[[File:Loligosepia.JPG|thumb|center|155px|''[[Loligosepia]]'' Holzmaden specimen]] |
[[File:Loligosepia.JPG|thumb|center|155px|''[[Loligosepia]]'' Holzmaden specimen]] |
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''[[Jeletzkyteuthis]]''<ref name=loligo/><ref name=Squidnames>{{cite journal |last1=Riegraf |first1=W. |title=On the proposed conservation of the names Geopeltis (Regteren Altena, 1949), Geoteuthis (Muenster, 1843), Jeletzkyteuthis (Doyle, 1990), Loligosepia (Quenstedt, 1839), Parabelopeltis (Naef, 1921), Paraplesioteuthis (Naef, 1921) and Belemnotheutis montefiorei (Buckman, 1880) (Mollusca, Coleoidea) |journal=The Bulletin of Zoological Nomenclature |date=1997 |volume=54 |issue=2 |pages=184 |
''[[Jeletzkyteuthis]]''<ref name=loligo/><ref name=Squidnames>{{cite journal |last1=Riegraf |first1=W. |title=On the proposed conservation of the names Geopeltis (Regteren Altena, 1949), Geoteuthis (Muenster, 1843), Jeletzkyteuthis (Doyle, 1990), Loligosepia (Quenstedt, 1839), Parabelopeltis (Naef, 1921), Paraplesioteuthis (Naef, 1921) and Belemnotheutis montefiorei (Buckman, 1880) (Mollusca, Coleoidea) |journal=The Bulletin of Zoological Nomenclature |date=1997 |volume=54 |issue=2 |pages=184 |doi=10.5962/bhl.part.105 |url=https://www.biodiversitylibrary.org/part/105 |access-date=2 March 2022}}</ref> |
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*''Jeletzkyteuthis coriaceus'' |
*''Jeletzkyteuthis coriaceus'' |
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Line 5,779: | Line 5,779: | ||
*Isolated Gladius |
*Isolated Gladius |
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A [[Loligosepiidae]] [[Loligosepiida]]n ([[Vampyromorpha]]). Related to the modern [[Vampyroteuthis]] infernalis. Gladii of ''Loligosepia'' can be distinguished from ''Jeletzkyteuthis'' by the transition lateral field/hyperbolar zone. A specimen of this genus found on Ohmden has appeared predating a ''[[Parabelopeltis]]''.<ref name=Predatios>{{cite journal |last1=Klug |first1=C. |last2=Schweigert |first2=G. |last3=Fuchs |first3=D. |title=Distraction sinking and fossilized coleoid predatory behaviour from the German Early Jurassic |journal=Swiss J Palaeontol |date=2021 |volume=140 |issue=7 |pages=17–31 |url=https://sjpp.springeropen.com/articles/10.1186/s13358-021-00218-y |access-date=2 March 2022}}</ref> The association of this 2 genera shows the predatory behaviour of this group when lived on Epicontinental seas, being rather different than extant Vampyromorphs.<ref name=Predatios/> |
A [[Loligosepiidae]] [[Loligosepiida]]n ([[Vampyromorpha]]). Related to the modern [[Vampyroteuthis]] infernalis. Gladii of ''Loligosepia'' can be distinguished from ''Jeletzkyteuthis'' by the transition lateral field/hyperbolar zone. A specimen of this genus found on Ohmden has appeared predating a ''[[Parabelopeltis]]''.<ref name=Predatios>{{cite journal |last1=Klug |first1=C. |last2=Schweigert |first2=G. |last3=Fuchs |first3=D. |title=Distraction sinking and fossilized coleoid predatory behaviour from the German Early Jurassic |journal=Swiss J Palaeontol |date=2021 |volume=140 |issue=7 |pages=17–31 |doi=10.1186/s13358-021-00218-y |pmid=33815267 |pmc=7965854 |url=https://sjpp.springeropen.com/articles/10.1186/s13358-021-00218-y |access-date=2 March 2022}}</ref> The association of this 2 genera shows the predatory behaviour of this group when lived on Epicontinental seas, being rather different than extant Vampyromorphs.<ref name=Predatios/> |
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''[[Lioteuthis]]''<ref name=Liothe>{{cite journal |last1=Riegraf |first1=W. |title=On Lower and Upper Jurassic dibranchiate cephalopods from Germany and England |journal=Palaeontologische Zeitschrift |date=1987 |volume=61 |issue=1 |pages=261–272 |url=http://link.springer.com/content/pdf/10.1007%2FBF02985908.pdf |access-date=2 March 2022}}</ref> |
''[[Lioteuthis]]''<ref name=Liothe>{{cite journal |last1=Riegraf |first1=W. |title=On Lower and Upper Jurassic dibranchiate cephalopods from Germany and England |journal=Palaeontologische Zeitschrift |date=1987 |volume=61 |issue=1 |pages=261–272 |doi=10.1007/BF02985908 |s2cid=129847245 |url=http://link.springer.com/content/pdf/10.1007%2FBF02985908.pdf |access-date=2 March 2022}}</ref> |
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*''Lioteuthis problematica'' |
*''Lioteuthis problematica'' |
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''[[Teudopsis]]''<ref name=Lol/><ref>{{cite journal |last1=Fuchs |first1=D. |last2=Weis |first2=R. |title=Taxonomy, morphology and phylogeny of Lower Jurassic teudopseid coleoids (Cephalopoda) |journal=Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen |date=2010 |volume=257 |issue=3 |pages=351–366 |url=https://www.researchgate.net/publication/ |
''[[Teudopsis]]''<ref name=Lol/><ref>{{cite journal |last1=Fuchs |first1=D. |last2=Weis |first2=R. |title=Taxonomy, morphology and phylogeny of Lower Jurassic teudopseid coleoids (Cephalopoda) |journal=Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen |date=2010 |volume=257 |issue=3 |pages=351–366 |doi=10.1127/0077-7749/2010/0083 |url=https://www.researchgate.net/publication/233549634 |access-date=2 March 2022}}</ref> |
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*''Teudopsis bollensis'' |
*''Teudopsis bollensis'' |
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''[[Clarkeiteuthis]]''<ref>{{cite journal |last1=Fuchs |first1=D. |last2=Donovan |first2=D. T. |last3=Keupp |first3=H. |title=Taxonomic revision of "Onychoteuthis" conocauda Quenstedt, 1849 (Cephalopoda: Coleoidea) |journal=Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen |date=2013 |volume=270 |issue=3 |pages=245–255 |url=https://www.researchgate.net/publication/ |
''[[Clarkeiteuthis]]''<ref>{{cite journal |last1=Fuchs |first1=D. |last2=Donovan |first2=D. T. |last3=Keupp |first3=H. |title=Taxonomic revision of "Onychoteuthis" conocauda Quenstedt, 1849 (Cephalopoda: Coleoidea) |journal=Neues Jahrbuch für Geologie und Paläontologie-Abhandlungen |date=2013 |volume=270 |issue=3 |pages=245–255 |doi=10.1127/0077-7749/2013/0368 |url=https://www.researchgate.net/publication/272205098 |access-date=2 March 2022}}</ref> |
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*''Clarkeiteuthis conocauda'' |
*''Clarkeiteuthis conocauda'' |
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Line 5,901: | Line 5,901: | ||
*Isolated Gladii |
*Isolated Gladii |
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A [[Diplobelidae]] [[Coleoidea]]n. It has been found adult individuals of Clarkeiteuthis which caught small teleost fish of the species Leptolepis bronni. Further indirect evidence for the hunting behaviour comes from their body orientation in the water during life.<ref>{{cite journal |last1=Jenny |first1=D. |last2=Fuchs |first2=D. |last3=Arkhipkin |first3=A.I. |title=Predatory behaviour and taphonomy of a Jurassic belemnoid coleoid (Diplobelida, Cephalopoda) |journal=Sci Rep |date=2019 |volume=9 |issue=7944 |pages=65–77 | |
A [[Diplobelidae]] [[Coleoidea]]n. It has been found adult individuals of Clarkeiteuthis which caught small teleost fish of the species Leptolepis bronni. Further indirect evidence for the hunting behaviour comes from their body orientation in the water during life.<ref>{{cite journal |last1=Jenny |first1=D. |last2=Fuchs |first2=D. |last3=Arkhipkin |first3=A.I. |title=Predatory behaviour and taphonomy of a Jurassic belemnoid coleoid (Diplobelida, Cephalopoda) |journal=Sci Rep |date=2019 |volume=9 |issue=7944 |pages=65–77 |doi=10.1038/s41598-019-44260-w |pmid=31138838 |pmc=6538661 }}</ref> |
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[[File:Phragmoteuthis conocauda.JPG|thumb|center|155px|''[[Clarkeiteuthis]]'' Holzmaden specimen]] |
[[File:Phragmoteuthis conocauda.JPG|thumb|center|155px|''[[Clarkeiteuthis]]'' Holzmaden specimen]] |
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''[[Odontobelus]]''<ref name=Belemni>{{cite journal |last1=Tripp |first1=K. |title=Der Stammbaum der Belemniten des Lias Schwabens |journal=Paläontologische Zeitschrift |date=1938 |volume=19 |issue=4 |pages=180–198 |url=https://eurekamag.com/research/022/346/022346059.php |access-date=2 March 2022}}</ref> |
''[[Odontobelus]]''<ref name=Belemni>{{cite journal |last1=Tripp |first1=K. |title=Der Stammbaum der Belemniten des Lias Schwabens |journal=Paläontologische Zeitschrift |date=1938 |volume=19 |issue=4 |pages=180–198 |doi=10.1007/BF03042240 |s2cid=129424006 |url=https://eurekamag.com/research/022/346/022346059.php |access-date=2 March 2022}}</ref> |
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*''Odontobelus tripartitus'' |
*''Odontobelus tripartitus'' |
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*Isolated Rostrums |
*Isolated Rostrums |
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A possible primigenial [[Cuttlefish]]. Is one of the most important fossils of Cephalopods on the Sachrang Formation, due to be one of the Earliest examples of Pigments found on any species, also one of the first historically.<ref>{{cite journal |last1=Beyermann |first1=K. |last2=Hasenmaier |first2=D. |title=Identification of 180 million years old, probably unchanged melanine |journal=NASA Technical Reports Server |date=1977 |volume=21 |issue=1 |pages=67–72 |url=https://ntrs.nasa.gov/citations/19770022785 |access-date=2 March 2022}}</ref> The pigments are preserved on various specimens with Eumelanin related to its ink sacs and include even phosphatized musculature.<ref>{{cite journal |last1=Glass |first1=K. |last2=Ito |first2=S. |last3=Wilby |first3=P. R. |last4=Sota |first4=T. |last5=Nakamura |first5=A. |last6=Bowers |first6=C. R |last7=Wakamatsu |first7=K. |title=Impact of diagenesis and maturation on the survival of eumelanin in the fossil record |journal=Organic |
A possible primigenial [[Cuttlefish]]. Is one of the most important fossils of Cephalopods on the Sachrang Formation, due to be one of the Earliest examples of Pigments found on any species, also one of the first historically.<ref>{{cite journal |last1=Beyermann |first1=K. |last2=Hasenmaier |first2=D. |title=Identification of 180 million years old, probably unchanged melanine |journal=NASA Technical Reports Server |date=1977 |volume=21 |issue=1 |pages=67–72 |url=https://ntrs.nasa.gov/citations/19770022785 |access-date=2 March 2022}}</ref> The pigments are preserved on various specimens with Eumelanin related to its ink sacs and include even phosphatized musculature.<ref>{{cite journal |last1=Glass |first1=K. |last2=Ito |first2=S. |last3=Wilby |first3=P. R. |last4=Sota |first4=T. |last5=Nakamura |first5=A. |last6=Bowers |first6=C. R |last7=Wakamatsu |first7=K. |title=Impact of diagenesis and maturation on the survival of eumelanin in the fossil record |journal=Organic Geochemistry |date=2013 |volume=64 |issue=2 |pages=29–37 |doi=10.1016/j.orggeochem.2013.09.002 |url=https://www.sciencedirect.com/science/article/pii/S0146638013001939 |access-date=2 March 2022}}</ref> |
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''[[Juracyclus]]''<ref name=Juracyclus>{{cite journal |last1=Schweigert |first1=G. |title=Juracyclus posidoniae n. gen. and sp., the first cycloid arthropod from the Jurassic |journal=Journal of Paleontology |date=2007 |volume=81 |issue=1 |pages=213–215 |url=https://www.cambridge.org/core/journals/journal-of-paleontology/article/juracyclus-posidoniae-n-gen-and-sp-the-first-cycloid-arthropod-from-the-jurassic/67018DBA2C1EC63B9276FC56A09BA9D1 |access-date=2 March 2022}}</ref> |
''[[Juracyclus]]''<ref name=Juracyclus>{{cite journal |last1=Schweigert |first1=G. |title=Juracyclus posidoniae n. gen. and sp., the first cycloid arthropod from the Jurassic |journal=Journal of Paleontology |date=2007 |volume=81 |issue=1 |pages=213–215 |doi=10.1666/0022-3360(2007)81[213:JPNGAS]2.0.CO;2 |url=https://www.cambridge.org/core/journals/journal-of-paleontology/article/juracyclus-posidoniae-n-gen-and-sp-the-first-cycloid-arthropod-from-the-jurassic/67018DBA2C1EC63B9276FC56A09BA9D1 |access-date=2 March 2022}}</ref> |
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*''Juracyclus posidoniae'' |
*''Juracyclus posidoniae'' |
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''[[Hermiella]]''<ref name=Malz>{{cite journal |last1=Malz |first1=H. |title=Eine Entwicklungsreihe "vallater" Ogmoconchen (Ostracoda) im S-deutschen Lias |journal=Senckbergiana |
''[[Hermiella]]''<ref name=Malz>{{cite journal |last1=Malz |first1=H. |title=Eine Entwicklungsreihe "vallater" Ogmoconchen (Ostracoda) im S-deutschen Lias |journal=Senckbergiana Lethaea |date=1975 |volume=55 |issue=6 |pages=485–505}}</ref> |
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*''Hermiella cincta'' |
*''Hermiella cincta'' |
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Line 6,468: | Line 6,468: | ||
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''[[Tonneleryon]]''<ref name=Tonnel>{{cite journal |last1=Audo |first1=D. |title=Tonneleryon, a new gregarious polychelidan lobster from the early Toarcian Posidonia Shale of Holzmaden (Germany) |journal=Neues Jahrbuch |
''[[Tonneleryon]]''<ref name=Tonnel>{{cite journal |last1=Audo |first1=D. |title=Tonneleryon, a new gregarious polychelidan lobster from the early Toarcian Posidonia Shale of Holzmaden (Germany) |journal=Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen |date=2016 |volume=280 |issue=3 |pages=285–298 |doi=10.1127/njgpa/2016/0580 |url=https://eurekamag.com/research/064/936/064936101.php |access-date=2 March 2022}}</ref> |
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*''Tonneleryon schweigerti'' |
*''Tonneleryon schweigerti'' |
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''[[Gabaleryon]]''<ref name="Gabaler">{{cite journal |last1=Audo |first1=D. |last2=Williams |first2=M. |last3=Charbonnier |first3=S. |last4=Schweigert |first4=G. |title=Gabaleryon, a new genus of widespread early Toarcian polychelidan lobsters |journal=Journal of Systematic Palaeontology |date=2017 |volume=15 |issue=3 |pages=205–222 |url=https://www.tandfonline.com/doi/full/10.1080/14772019.2016.1167786 |access-date=2 March 2022}}</ref> |
''[[Gabaleryon]]''<ref name="Gabaler">{{cite journal |last1=Audo |first1=D. |last2=Williams |first2=M. |last3=Charbonnier |first3=S. |last4=Schweigert |first4=G. |title=Gabaleryon, a new genus of widespread early Toarcian polychelidan lobsters |journal=Journal of Systematic Palaeontology |date=2017 |volume=15 |issue=3 |pages=205–222 |doi=10.1080/14772019.2016.1167786 |s2cid=87613086 |url=https://www.tandfonline.com/doi/full/10.1080/14772019.2016.1167786 |access-date=2 March 2022}}</ref> |
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*''Gabaleryon'' sp. 1 |
*''Gabaleryon'' sp. 1 |
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*Complete Specimens |
*Complete Specimens |
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A [[Coleiidae]] [[Decapoda]]n. Was confussed with Proeryon hartmanni specimens. Although these finds point to some potential for exceptional preservation, the Pfronten locality was never systematically sampled.<ref name="Gabaler"/> It was assigned to the genus ''Gabaleryon'' the basis of its ovoid carapace, a transverse groove cutting the axial carina on pleonal terga and an uropodal exopod with curved diaeresis.<ref name="Gabaler"/> It shares similarities with ''Gabaleryon garassinoi'' and ''Gabaleryon moorei''.<ref name="Gabaler"/> A species from Gomaringen is the first know with preserved ommatidia.<ref>{{cite journal |last1=Aud |first1=D. |last2=Haug |first2=J. T. |last3=Haug |first3=C. |last4=Charbonnier |first4=S. |last5=Schweigert |first5=G. |last6=Müller |first6=C. H. |last7=Harzsch |first7=S. |title=On the sighted ancestry of blindness–exceptionally preserved eyes of Mesozoic polychelidan lobsters |journal=Zoological |
A [[Coleiidae]] [[Decapoda]]n. Was confussed with Proeryon hartmanni specimens. Although these finds point to some potential for exceptional preservation, the Pfronten locality was never systematically sampled.<ref name="Gabaler"/> It was assigned to the genus ''Gabaleryon'' the basis of its ovoid carapace, a transverse groove cutting the axial carina on pleonal terga and an uropodal exopod with curved diaeresis.<ref name="Gabaler"/> It shares similarities with ''Gabaleryon garassinoi'' and ''Gabaleryon moorei''.<ref name="Gabaler"/> A species from Gomaringen is the first know with preserved ommatidia.<ref>{{cite journal |last1=Aud |first1=D. |last2=Haug |first2=J. T. |last3=Haug |first3=C. |last4=Charbonnier |first4=S. |last5=Schweigert |first5=G. |last6=Müller |first6=C. H. |last7=Harzsch |first7=S. |title=On the sighted ancestry of blindness–exceptionally preserved eyes of Mesozoic polychelidan lobsters |journal=Zoological Letters |date=2016 |volume=2 |issue=1 |page=13 |doi=10.1186/s40851-016-0049-0 |pmid=27429789 |pmc=4947519 }}</ref> |
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''[[Palaeastacus]]''<ref name=CrustPosi/><ref>{{cite journal |last1=Schweigert |first1=G. |last2=Röper |first2=M. |title=Neue Krebse der Gattung Palaeastacus (Crustacea: Decapoda: Erymidae) aus ober jurassischen Plattenkalken Süddeutschlands |journal=Staatliches Museum für Naturkunde |date=2001 |volume=313 |issue=5 |pages=1–12 |url=http://web.smns.he-hosting.de/sites/default/files/publikationen/serie-b/B313.pdf |access-date=2 March 2022}}</ref><ref>{{cite journal |last1=Seilacher |first1=A. |last2=Reif |first2=W. E. |last3=Westphal |first3=F. |title=Sedimentological, ecological and temporal patterns of fossil Lagerstätten |journal=Philosophical Transactions of the Royal Society of London |date=1985 |volume=311 |issue=11 |pages=5–24 |url=https://www.jstor.org/stable/2396966 |access-date=2 March 2022}}</ref> |
''[[Palaeastacus]]''<ref name=CrustPosi/><ref>{{cite journal |last1=Schweigert |first1=G. |last2=Röper |first2=M. |title=Neue Krebse der Gattung Palaeastacus (Crustacea: Decapoda: Erymidae) aus ober jurassischen Plattenkalken Süddeutschlands |journal=Staatliches Museum für Naturkunde |date=2001 |volume=313 |issue=5 |pages=1–12 |url=http://web.smns.he-hosting.de/sites/default/files/publikationen/serie-b/B313.pdf |access-date=2 March 2022}}</ref><ref>{{cite journal |last1=Seilacher |first1=A. |last2=Reif |first2=W. E. |last3=Westphal |first3=F. |title=Sedimentological, ecological and temporal patterns of fossil Lagerstätten |journal=Philosophical Transactions of the Royal Society of London |date=1985 |volume=311 |issue=11 |pages=5–24 |jstor=2396966 |url=https://www.jstor.org/stable/2396966 |access-date=2 March 2022}}</ref> |
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*''Palaeastacus'' sp. |
*''Palaeastacus'' sp. |
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''[[Eryma]]''<ref name=EryA>{{cite journal |last1=Devillez |first1=J. |last2=Charbonnier |first2=S. |title=Review of the Early and Middle Jurassic erymid lobsters (Crustacea: Decapoda) Révision des Érymides (Crustacea: Decapoda) du Jurassique inférieur et moyen |journal=Bulletin de la Société Géologique de France |date=2019 |volume=190 |issue=1 |pages=6–21 |url=https://www.semanticscholar.org/paper/Review-of-the-Early-and-Middle-Jurassic-erymid-Devillez-Charbonnier/8b971390115a9cb0d68dd39ae85ae33dc774311b |access-date=2 March 2022}}</ref> |
''[[Eryma]]''<ref name=EryA>{{cite journal |last1=Devillez |first1=J. |last2=Charbonnier |first2=S. |title=Review of the Early and Middle Jurassic erymid lobsters (Crustacea: Decapoda) Révision des Érymides (Crustacea: Decapoda) du Jurassique inférieur et moyen |journal=Bulletin de la Société Géologique de France |date=2019 |volume=190 |issue=1 |pages=6–21 |doi=10.1051/BSGF/2019005 |s2cid=196643332 |url=https://www.semanticscholar.org/paper/Review-of-the-Early-and-Middle-Jurassic-erymid-Devillez-Charbonnier/8b971390115a9cb0d68dd39ae85ae33dc774311b |access-date=2 March 2022}}</ref> |
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*''Eryma amalthei'' |
*''Eryma amalthei'' |
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[[Achelata]]<ref name=Larvaf>{{cite journal |last1=Haug |first1=J. T. |last2=Haug |first2=C. |last3=Schweigert |first3=G. |title=The oldest "intermetamorphic" larva of an achelatan lobster from the Lower Jurassic Posidonia Shale, South Germany |journal=Acta Palaeontologica Polonica |date=2019 |volume=64 |issue=4 |pages=685–692 |url=https://www.app.pan.pl/archive/published/app64/app006272019.pdf |access-date=2 March 2022}}</ref> |
[[Achelata]]<ref name=Larvaf>{{cite journal |last1=Haug |first1=J. T. |last2=Haug |first2=C. |last3=Schweigert |first3=G. |title=The oldest "intermetamorphic" larva of an achelatan lobster from the Lower Jurassic Posidonia Shale, South Germany |journal=Acta Palaeontologica Polonica |date=2019 |volume=64 |issue=4 |pages=685–692 |doi=10.4202/app.00627.2019 |s2cid=207820936 |url=https://www.app.pan.pl/archive/published/app64/app006272019.pdf |access-date=2 March 2022}}</ref> |
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*Achelata gen. ''et sp.'' indet. |
*Achelata gen. ''et sp.'' indet. |
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Line 6,646: | Line 6,646: | ||
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''[[Palinurina]]''<ref name=CrustPosi>{{cite journal |last1=Ilger |first1=J.M. |title=Insekten und andere Gliederfüßer |journal=_niedersachsens |
''[[Palinurina]]''<ref name=CrustPosi>{{cite journal |last1=Ilger |first1=J.M. |title=Insekten und andere Gliederfüßer |journal=_niedersachsens Versunkene Urwelt |date=2014 |volume=1 |issue=1 |pages=10–18}}</ref> |
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*''Palinurina longipes'' |
*''Palinurina longipes'' |
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[[Stomatopoda]]<ref>{{cite journal |last1=Klompmaker |first1=A.A. |last2=Fraaije |first2=R.H.B. |title=Animal Behavior frozen in time: gregarious behavior of early jurassic lobsters within an ammonoid body chamber |journal=PLOS |
[[Stomatopoda]]<ref>{{cite journal |last1=Klompmaker |first1=A.A. |last2=Fraaije |first2=R.H.B. |title=Animal Behavior frozen in time: gregarious behavior of early jurassic lobsters within an ammonoid body chamber |journal=PLOS ONE |date=2012 |volume=7 |issue=3 |pages=e31893 |doi=10.1371/journal.pone.0031893 |pmid=22412846 |pmc=3296704 |doi-access=free }}</ref> |
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*Stomatopoda Indeterminate |
*Stomatopoda Indeterminate |
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''[[Toarcolepas]]''<ref name=Toarcole>{{cite journal |last1=Gale |first1=A. |last2=Schweigert |first2=G. |title=A new phosphatic‐shelled cirripede (Crustacea, Thoracica) from the Lower Jurassic (Toarcian) of Germany–the oldest epiplanktonic barnacle |journal=Palaeontology |date=2016 |volume=59 |issue=1 |pages=59–70 |url=https://www.researchgate.net/publication/ |
''[[Toarcolepas]]''<ref name=Toarcole>{{cite journal |last1=Gale |first1=A. |last2=Schweigert |first2=G. |title=A new phosphatic‐shelled cirripede (Crustacea, Thoracica) from the Lower Jurassic (Toarcian) of Germany–the oldest epiplanktonic barnacle |journal=Palaeontology |date=2016 |volume=59 |issue=1 |pages=59–70 |doi=10.1111/pala.12207 |url=https://www.researchgate.net/publication/348088042 |access-date=2 March 2022}}</ref> |
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*''Toarcolepas mutans'' |
*''Toarcolepas mutans'' |
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''[[Liassoscorpionides]]''<ref>{{cite journal |last1=Bode |first1=A. |title=Ein liassischer Scorpionide |journal=Palaeontologische Zeitschrift |date=1951 |volume=24 |issue=2 |pages=58–65 |url=https://www.academia.edu/5503903 |
''[[Liassoscorpionides]]''<ref>{{cite journal |last1=Bode |first1=A. |title=Ein liassischer Scorpionide |journal=Palaeontologische Zeitschrift |date=1951 |volume=24 |issue=2 |pages=58–65 |doi=10.1007/BF03044552 |s2cid=140650635 |url=https://www.academia.edu/5503903 |access-date=2 March 2022}}</ref> |
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*''Liassoscorpionides schmidti'' |
*''Liassoscorpionides schmidti'' |
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Line 6,719: | Line 6,719: | ||
Single Incomplete Specimen. |
Single Incomplete Specimen. |
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The type genus of the family [[Liassoscorpionididae]], probably related to [[Mesophonoidea]]. Being the only Jurassic scorpion known, there is no evidence that L. schmidti was aquatic (which was suggested in the past) and in the absence of further, better preserved material it should be excluded from future considerations of broad patterns of scorpion evolution.<ref>{{cite journal |last1=Dunlop |first1=J. A. |last2=Kamenz |first2=C. |last3=Scholtz |first3=G. |title=Reinterpreting the morphology of the Jurassic scorpion Liassoscorpionides |journal=Arthropod |
The type genus of the family [[Liassoscorpionididae]], probably related to [[Mesophonoidea]]. Being the only Jurassic scorpion known, there is no evidence that L. schmidti was aquatic (which was suggested in the past) and in the absence of further, better preserved material it should be excluded from future considerations of broad patterns of scorpion evolution.<ref>{{cite journal |last1=Dunlop |first1=J. A. |last2=Kamenz |first2=C. |last3=Scholtz |first3=G. |title=Reinterpreting the morphology of the Jurassic scorpion Liassoscorpionides |journal=Arthropod Structure & Development |date=2007 |volume=36 |issue=2 |pages=245–252 |doi=10.1016/j.asd.2006.09.003 |pmid=18089103 |url=https://pubmed.ncbi.nlm.nih.gov/18089103/ |access-date=2 March 2022}}</ref> |
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Line 6,895: | Line 6,895: | ||
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''[[Heterophlebia]]''<ref name="Bode">{{cite journal |last1=Bode |first1=A. |title=Die Insektenfauna des Ostniedersachsischen Oberen Lias |journal='Palaeontographica Abteilung A |date=1953 |volume=103 |issue=1 |pages=1–375 |url=https://lacewing.tamu.edu/neuropterida/neur_bibliography/edoc12/bode1953ref1603-6712.pdf |access-date=2 March 2022}}</ref><ref>{{cite journal |last1=Ansorge |first1=J. |title=Heterophlebia buckmani (Brodie 1845) (Odonata: "Anisozygoptera") - das erste Insekt aus dem untertoarcischen Posidonienschiefer von Holzmaden (Württemberg, SW Deutschland) |journal=Stuttgarter Beiträge zur Naturkunde, Serie B (Geologie und Paläontologie) |date=1999 |volume=275 |issue=1 |pages=1–9 |url=https://www.academia.edu/1536803 |
''[[Heterophlebia]]''<ref name="Bode">{{cite journal |last1=Bode |first1=A. |title=Die Insektenfauna des Ostniedersachsischen Oberen Lias |journal='Palaeontographica Abteilung A |date=1953 |volume=103 |issue=1 |pages=1–375 |url=https://lacewing.tamu.edu/neuropterida/neur_bibliography/edoc12/bode1953ref1603-6712.pdf |access-date=2 March 2022}}</ref><ref>{{cite journal |last1=Ansorge |first1=J. |title=Heterophlebia buckmani (Brodie 1845) (Odonata: "Anisozygoptera") - das erste Insekt aus dem untertoarcischen Posidonienschiefer von Holzmaden (Württemberg, SW Deutschland) |journal=Stuttgarter Beiträge zur Naturkunde, Serie B (Geologie und Paläontologie) |date=1999 |volume=275 |issue=1 |pages=1–9 |url=https://www.academia.edu/1536803 |access-date=2 March 2022}}</ref> |
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*''Heterophlebia buckmani'' |
*''Heterophlebia buckmani'' |
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Line 6,938: | Line 6,938: | ||
* Hattorf, Fallersleben |
* Hattorf, Fallersleben |
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* Schandelah, nr Braunschweig (Bode coll.) |
* Schandelah, nr Braunschweig (Bode coll.) |
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* Hemmikon<ref>{{cite journal |last1=Etter |first1=W. |last2=Kuhn |first2=O. |title=An articulated dragonfly (Insecta, Odonata) from the Upper Liassic Posidonia Shale of Northern Switzerland |journal=Palaeontology |date=2000 |volume=43 |issue=3 |pages=967–977 |url=https://www.palass.org/publications/palaeontology-journal/archive/43/5/article_pp967-977 |access-date=2 March 2022}}</ref> |
* Hemmikon<ref>{{cite journal |last1=Etter |first1=W. |last2=Kuhn |first2=O. |title=An articulated dragonfly (Insecta, Odonata) from the Upper Liassic Posidonia Shale of Northern Switzerland |journal=Palaeontology |date=2000 |volume=43 |issue=3 |pages=967–977 |doi=10.1111/1475-4983.00157 |url=https://www.palass.org/publications/palaeontology-journal/archive/43/5/article_pp967-977 |access-date=2 March 2022}}</ref> |
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* Bascharage |
* Bascharage |
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Line 6,959: | Line 6,959: | ||
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*''Proinogomphus bodei'' |
*''Proinogomphus bodei'' |
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*''Proinogomphus kreuzerorum''<ref>{{cite journal |last1=Bechly |first1=G. |title=First record and a new species of the fossil dragonfly genus Proinogomphus (Odonata: Liassogomphidae) from the Early Jurassic of Bascharage in the Grand Duchy of Luxembourg |journal=Zootaxa |date=2018 |volume=4450 |issue=2 |pages=108–114 |url=https://www.biotaxa.org/Zootaxa/article/view/zootaxa.4450.1.7 |access-date=2 March 2022}}</ref> |
*''Proinogomphus kreuzerorum''<ref>{{cite journal |last1=Bechly |first1=G. |title=First record and a new species of the fossil dragonfly genus Proinogomphus (Odonata: Liassogomphidae) from the Early Jurassic of Bascharage in the Grand Duchy of Luxembourg |journal=Zootaxa |date=2018 |volume=4450 |issue=2 |pages=108–114 |doi=10.11646/zootaxa.4450.1.7 |pmid=30313860 |s2cid=52977117 |url=https://www.biotaxa.org/Zootaxa/article/view/zootaxa.4450.1.7 |access-date=2 March 2022}}</ref> |
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* Hondelage, Braunschweig |
* Hondelage, Braunschweig |
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Line 6,967: | Line 6,967: | ||
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''[[Necrogomphus]]''<ref name="Bode"/><ref name="Handlirsch">{{cite journal |last1=Handlirsch |first1=A. |title=Neue Untersuchungen über die fossilen Insekten mit Ergänzungen und Nachträgen sowie Ausblicken auf phylogenetische, palaeogeographische und allgemein biologische Probleme |journal=Annalen des |
''[[Necrogomphus]]''<ref name="Bode"/><ref name="Handlirsch">{{cite journal |last1=Handlirsch |first1=A. |title=Neue Untersuchungen über die fossilen Insekten mit Ergänzungen und Nachträgen sowie Ausblicken auf phylogenetische, palaeogeographische und allgemein biologische Probleme |journal=Annalen des Naturhistorischen Museums in Wien |date=1939 |volume=2 |issue=3 |pages=1–240 |jstor=41768379 |url=https://www.jstor.org/stable/pdf/41768379.pdf}}</ref> |
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*''Necrogomphus brunswigae'' |
*''Necrogomphus brunswigae'' |
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Line 7,012: | Line 7,012: | ||
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''[[Myopophlebia]]''<ref name="Bode"/><ref name="NelA">{{cite journal |last1=Nel |first1=A. |last2=Martínez-Delclòs |first2=X. |last3=Paicheler |first3=J. C. |last4=Henrotay |first4=M. |title=Les "Anisozygoptera" fossiles Phylogenie et classification (Odonata) |journal=Martinia |date=1993 |volume=3 |issue=4 |pages=1–311 |url=https://www.researchgate.net |
''[[Myopophlebia]]''<ref name="Bode"/><ref name="NelA">{{cite journal |last1=Nel |first1=A. |last2=Martínez-Delclòs |first2=X. |last3=Paicheler |first3=J. C. |last4=Henrotay |first4=M. |title=Les "Anisozygoptera" fossiles Phylogenie et classification (Odonata) |journal=Martinia |date=1993 |volume=3 |issue=4 |pages=1–311 |url=https://www.researchgate.net/publication/306031367 |access-date=2 March 2022}}</ref> |
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*''Myopophlebia libera'' |
*''Myopophlebia libera'' |
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Line 7,062: | Line 7,062: | ||
Isolated Wings |
Isolated Wings |
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A [[dragonfly]] of the family [[Campterophlebiidae]]. ''[[Campterophlebia]]'' is the largest Early Jurassic Insect Know, with a wings size up to 20 cm.<ref>{{cite journal |last1=Nel |first1=A. |last2=Bechly |first2=G. |last3=Delclòs |first3=X. |last4=Huang |first4=D. |title=New and poorly known Mesozoic damsel-dragonflies (Odonata: Isophlebioidea: Campterophlebiidae, Isophlebiidae) |journal=Palaeodiversity |date=2009 |volume=2 |issue=4 |pages=209–232 |url=https://www.researchgate.net/publication/ |
A [[dragonfly]] of the family [[Campterophlebiidae]]. ''[[Campterophlebia]]'' is the largest Early Jurassic Insect Know, with a wings size up to 20 cm.<ref>{{cite journal |last1=Nel |first1=A. |last2=Bechly |first2=G. |last3=Delclòs |first3=X. |last4=Huang |first4=D. |title=New and poorly known Mesozoic damsel-dragonflies (Odonata: Isophlebioidea: Campterophlebiidae, Isophlebiidae) |journal=Palaeodiversity |date=2009 |volume=2 |issue=4 |pages=209–232 |url=https://www.researchgate.net/publication/313122493 |access-date=2 March 2022}}</ref> |
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''[[Gallodorsettia]]''<ref>{{cite journal |last1=Nel |first1=A. |last2=Weis |first2=R. |title=A new Early Jurassic damselfly from the Grand Duchy of Luxembourg (Odonata: Campterophlebiidae) |journal=Alcheringa |date=2017 |volume=41 |issue=5 |pages=378–382 |url=https://www.tandfonline.com/doi/full/10.1080/03115518.2017.1289417 |access-date=2 March 2022}}</ref> |
''[[Gallodorsettia]]''<ref>{{cite journal |last1=Nel |first1=A. |last2=Weis |first2=R. |title=A new Early Jurassic damselfly from the Grand Duchy of Luxembourg (Odonata: Campterophlebiidae) |journal=Alcheringa |date=2017 |volume=41 |issue=5 |pages=378–382 |doi=10.1080/03115518.2017.1289417 |s2cid=132602020 |url=https://www.tandfonline.com/doi/full/10.1080/03115518.2017.1289417 |access-date=2 March 2022}}</ref> |
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*''Gallodorsettia kronzi '' |
*''Gallodorsettia kronzi '' |
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Line 7,073: | Line 7,073: | ||
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''[[Henrotayia]]''<ref>{{cite journal |last1=Fleck |first1=G. |last2=Bechly |first2=G. |last3=Martinez-Delclos |first3=X. |last4=Jarzembowski |first4=E. |last5=Coram |first5=R. |last6=Nel |first6=A. |title=Phylogeny and classification of the Stenophlebioptera (Odonata: Epiproctophora) |journal=Annales de la Société Entomologique de France |date=2003 |volume=39 |issue=1 |pages=55–93 |url=https://www.researchgate.net/publication/ |
''[[Henrotayia]]''<ref>{{cite journal |last1=Fleck |first1=G. |last2=Bechly |first2=G. |last3=Martinez-Delclos |first3=X. |last4=Jarzembowski |first4=E. |last5=Coram |first5=R. |last6=Nel |first6=A. |title=Phylogeny and classification of the Stenophlebioptera (Odonata: Epiproctophora) |journal=Annales de la Société Entomologique de France |date=2003 |volume=39 |issue=1 |pages=55–93 |doi=10.1080/00379271.2003.10697363 |s2cid=85417279 |url=https://www.researchgate.net/publication/235355679 |access-date=2 March 2022}}</ref> |
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*''Henrotayia marci'' |
*''Henrotayia marci'' |
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Line 7,151: | Line 7,151: | ||
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''[[Schesslitziella]]''<ref name=kerkho>{{cite journal |last1=Berger |first1=G. |title=Über Insektenfunde beim Kanalbau |journal=Fossilien |date=1989 |volume=6 |issue=1 |pages=44–47}}</ref><ref name=Stick>{{cite journal |last1=Ansorge |first1=J. |title=Zur systematischen Position von Schesslitziella haupti Kuhn 1952 (Insecta: Phasmatodea) aus dem Oberen Lias von Nordfranken (Deutschland) |journal=Paläontologische Zeitschrift |date=1996 |volume=70 |issue=4 |pages=475–479 |url=https://www.researchgate.net/publication/ |
''[[Schesslitziella]]''<ref name=kerkho>{{cite journal |last1=Berger |first1=G. |title=Über Insektenfunde beim Kanalbau |journal=Fossilien |date=1989 |volume=6 |issue=1 |pages=44–47}}</ref><ref name=Stick>{{cite journal |last1=Ansorge |first1=J. |title=Zur systematischen Position von Schesslitziella haupti Kuhn 1952 (Insecta: Phasmatodea) aus dem Oberen Lias von Nordfranken (Deutschland) |journal=Paläontologische Zeitschrift |date=1996 |volume=70 |issue=4 |pages=475–479 |doi=10.1007/BF02988086 |url=https://www.researchgate.net/publication/251302272 |access-date=2 March 2022}}</ref> |
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*''Schesslitziella haupti'' |
*''Schesslitziella haupti'' |
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Line 8,318: | Line 8,318: | ||
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''[[Archipleciomima]]''<ref name="Kopeć">{{cite journal |last1=Kopeć |first1=K. |last2=Soszyńska-Maj |first2=A. |last3=Gehler |first3=A. |last4=Ansorge |first4=J. |last5=Krzemiński |first5=W. |title=Mecoptera and Diptera from the early Toarcian (Early Jurassic) deposits of Wolfsburg–Große Kley (Lower Saxony, Germany) |journal=Earth and Environmental Science Transactions of the Royal Society of Edinburgh |date=2018 |volume=107 |issue=3 |pages=163–171 |url=https://www.cambridge.org/core/journals/earth-and-environmental-science-transactions-of-royal-society-of-edinburgh/article/mecoptera-and-diptera-from-the-early-toarcian-early-jurassic-deposits-of-wolfsburg-grosse-kley-lower-saxony-germany/0BE2318BEAB7F0AAC5F34D0BBDF9E02C |access-date=2 March 2022}}</ref> |
''[[Archipleciomima]]''<ref name="Kopeć">{{cite journal |last1=Kopeć |first1=K. |last2=Soszyńska-Maj |first2=A. |last3=Gehler |first3=A. |last4=Ansorge |first4=J. |last5=Krzemiński |first5=W. |title=Mecoptera and Diptera from the early Toarcian (Early Jurassic) deposits of Wolfsburg–Große Kley (Lower Saxony, Germany) |journal=Earth and Environmental Science Transactions of the Royal Society of Edinburgh |date=2018 |volume=107 |issue=3 |pages=163–171 |doi=10.1017/S1755691017000226 |s2cid=134568600 |url=https://www.cambridge.org/core/journals/earth-and-environmental-science-transactions-of-royal-society-of-edinburgh/article/mecoptera-and-diptera-from-the-early-toarcian-early-jurassic-deposits-of-wolfsburg-grosse-kley-lower-saxony-germany/0BE2318BEAB7F0AAC5F34D0BBDF9E02C |access-date=2 March 2022}}</ref> |
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*''Archipleciomima germanica'' |
*''Archipleciomima germanica'' |
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Line 8,423: | Line 8,423: | ||
Isolated Wings |
Isolated Wings |
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A primitive [[Crane fly]] of the family [[Tanyderidae]]. Extant members of the family are nectar feeder while extinct members cannot be determined precisely.<ref name=Necta>{{cite journal |last1=Khramov |first1=A. V. |last2=Bashkuev |first2=A. S. |last3=Lukashevich |first3=E. D. |title=The Fossil Record of Long-Proboscid Nectarivorous Insects |journal=Entomological Review |date=2020 |volume=100 |issue=7 |pages=881–968 |url=https://link.springer.com/article/10.1134/S0013873820070015 |access-date=2 March 2022}}</ref> |
A primitive [[Crane fly]] of the family [[Tanyderidae]]. Extant members of the family are nectar feeder while extinct members cannot be determined precisely.<ref name=Necta>{{cite journal |last1=Khramov |first1=A. V. |last2=Bashkuev |first2=A. S. |last3=Lukashevich |first3=E. D. |title=The Fossil Record of Long-Proboscid Nectarivorous Insects |journal=Entomological Review |date=2020 |volume=100 |issue=7 |pages=881–968 |doi=10.1134/S0013873820070015 |s2cid=234675037 |url=https://link.springer.com/article/10.1134/S0013873820070015 |access-date=2 March 2022}}</ref> |
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[[File:Mischoderus forcipatus 62779574.jpg|thumb|center|155px|Extant member of [[Tanyderidae]], Posidonia genera where probably similar]] |
[[File:Mischoderus forcipatus 62779574.jpg|thumb|center|155px|Extant member of [[Tanyderidae]], Posidonia genera where probably similar]] |
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Line 8,516: | Line 8,516: | ||
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''[[Necrotaulius]]''<ref name=kerkho/><ref name="Bode"/><ref name=insectlist/><ref name=Lepido>{{cite journal |last1=Ansorge |first1=J. |title=Upper Liassic Amphiesmenopterans (Trichoptera+ Lepidoptera) from Germany–a review |journal=Acta |
''[[Necrotaulius]]''<ref name=kerkho/><ref name="Bode"/><ref name=insectlist/><ref name=Lepido>{{cite journal |last1=Ansorge |first1=J. |title=Upper Liassic Amphiesmenopterans (Trichoptera+ Lepidoptera) from Germany–a review |journal=Acta Zoologica Cracoviensia |date=2003 |volume=46 |issue=3 |pages=285–290 |s2cid=55218822 |url=https://www.semanticscholar.org/paper/Upper-Liassic-Amphiesmenopterans-(-Trichoptera-%2B-)-Ansorge/970483e8320970cb9cb6256051f32f22af3869c2 |access-date=2 March 2022}}</ref> |
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*''Necrotaulius parvulus'' |
*''Necrotaulius parvulus'' |
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Line 8,656: | Line 8,656: | ||
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''[[Liassopsychops]]''<ref name="Bode"/><ref name=Kalli>{{cite journal |last1=Ansorge |first1=J. |last2=Makarkin |first2=V. N. |title=The oldest giant lacewings (Neuroptera: Kalligrammatidae) from the Lower Jurassic of Germany |journal=Palaeoworld |date=2020 |volume=30 |issue=2 |pages=296–310 |doi=10.1016/j.palwor.2020.07.001 |url=https://www.sciencedirect.com/science/article/pii/S1871174X20300561 |access-date=2 March 2022}}</ref> |
''[[Liassopsychops]]''<ref name="Bode"/><ref name=Kalli>{{cite journal |last1=Ansorge |first1=J. |last2=Makarkin |first2=V. N. |title=The oldest giant lacewings (Neuroptera: Kalligrammatidae) from the Lower Jurassic of Germany |journal=Palaeoworld |date=2020 |volume=30 |issue=2 |pages=296–310 |doi=10.1016/j.palwor.2020.07.001 |s2cid=225633800 |url=https://www.sciencedirect.com/science/article/pii/S1871174X20300561 |access-date=2 March 2022}}</ref> |
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*''Liassopsychops curvata'' |
*''Liassopsychops curvata'' |
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Line 8,800: | Line 8,800: | ||
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''[[Xulsigia]]''<ref>{{cite journal |last1=Szwedo |first1=J. |last2=R. |first2=Weis |last3=Nel |first3=A. |title=A bizarre sternorrhynchan wing from the Lower Jurassic of Luxembourg (Hemiptera: Sternorrhyncha: Pincombeomorpha?) |journal=Historical Biology |date=2017 |volume=31 |issue=3 |pages=806–812 |url=https://www.tandfonline.com/doi/full/10.1080/08912963.2017.1395423 |access-date=2 March 2022}}</ref> |
''[[Xulsigia]]''<ref>{{cite journal |last1=Szwedo |first1=J. |last2=R. |first2=Weis |last3=Nel |first3=A. |title=A bizarre sternorrhynchan wing from the Lower Jurassic of Luxembourg (Hemiptera: Sternorrhyncha: Pincombeomorpha?) |journal=Historical Biology |date=2017 |volume=31 |issue=3 |pages=806–812 |doi=10.1080/08912963.2017.1395423 |s2cid=90106633 |url=https://www.tandfonline.com/doi/full/10.1080/08912963.2017.1395423 |access-date=2 March 2022}}</ref> |
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*''Xulsigia karetsa'' |
*''Xulsigia karetsa'' |
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Line 8,812: | Line 8,812: | ||
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''[[Indutionomarus]]''<ref>{{cite journal |last1=Szwedo |first1=J. |title=The Coleorrhyncha (Insecta: Hemiptera) of the European Jurassic, with a description of a new genus from the Toarcian of Luxembourg |journal=Volumina Jurassica |date=2011 |volume=9 |issue=2 |pages=3–20 |url=https://www.researchgate.net/publication/ |
''[[Indutionomarus]]''<ref>{{cite journal |last1=Szwedo |first1=J. |title=The Coleorrhyncha (Insecta: Hemiptera) of the European Jurassic, with a description of a new genus from the Toarcian of Luxembourg |journal=Volumina Jurassica |date=2011 |volume=9 |issue=2 |pages=3–20 |url=https://www.researchgate.net/publication/266871029 |access-date=2 March 2022}}</ref> |
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*''Indutionomarus treveriorum'' |
*''Indutionomarus treveriorum'' |
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Line 8,849: | Line 8,849: | ||
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''[[Symphytopterus]]''<ref>{{cite journal |last1=Zessin |first1=W. |title=Neue oberliassische Apocrita und die Phylogenie der Hymenoptera |journal=Deutsche Entomologische Zeitschrift |date=1985 |volume=32 |issue=3 |pages=129–142 |url=https://www.researchgate.net/publication/ |
''[[Symphytopterus]]''<ref>{{cite journal |last1=Zessin |first1=W. |title=Neue oberliassische Apocrita und die Phylogenie der Hymenoptera |journal=Deutsche Entomologische Zeitschrift |date=1985 |volume=32 |issue=3 |pages=129–142 |doi=10.1002/mmnd.19850320118 |url=https://www.researchgate.net/publication/230484178 |access-date=2 March 2022}}</ref> |
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*''Symphytopterus liasinus'' |
*''Symphytopterus liasinus'' |
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Line 8,856: | Line 8,856: | ||
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''[[Liadobracona]]''<ref name=Maetha>{{cite journal |last1=Willmann |first1=R. |title=Raphidiodea aus dem Lias und die Phylogenie der Kamelhalsfliegen (Insecta: Holometabola) |journal=Paläontologische Zeitschrift |date=1994 |volume=68 |issue=2 |pages=167–197 |url=https://www.buchfreund.de/de/d/p/54523316/raphidiodea-aus-dem-lias-und-die-phylogenie-der |access-date=2 March 2022}}</ref> |
''[[Liadobracona]]''<ref name=Maetha>{{cite journal |last1=Willmann |first1=R. |title=Raphidiodea aus dem Lias und die Phylogenie der Kamelhalsfliegen (Insecta: Holometabola) |journal=Paläontologische Zeitschrift |date=1994 |volume=68 |issue=2 |pages=167–197 |doi=10.1007/BF02989439 |s2cid=128926273 |url=https://www.buchfreund.de/de/d/p/54523316/raphidiodea-aus-dem-lias-und-die-phylogenie-der |access-date=2 March 2022}}</ref> |
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*''Liadobracona raduhna'' |
*''Liadobracona raduhna'' |
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''[[Pseudoxyelocerus]]''<ref>{{cite journal |last1=Nel |first1=A. |last2=Petrulevicius |first2=J. F. |last3=Henrotay. |first3=M. |title=New Early Jurassic sawflies from Luxembourg: the oldest record of Tenthredinoidea (Hymenoptera: "Symphyta") |journal=Acta Palaeontologica Polonica |date=2004 |volume=49 |issue=2 |pages=283–288 |url=https://www.researchgate.net/publication/ |
''[[Pseudoxyelocerus]]''<ref>{{cite journal |last1=Nel |first1=A. |last2=Petrulevicius |first2=J. F. |last3=Henrotay. |first3=M. |title=New Early Jurassic sawflies from Luxembourg: the oldest record of Tenthredinoidea (Hymenoptera: "Symphyta") |journal=Acta Palaeontologica Polonica |date=2004 |volume=49 |issue=2 |pages=283–288 |url=https://www.researchgate.net/publication/228774171 |access-date=2 March 2022}}</ref> |
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*''Pseudoxyelocerus bascharagensis'' |
*''Pseudoxyelocerus bascharagensis'' |
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*Isolated Stemns |
*Isolated Stemns |
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The largest known [[Crinoidea]]n, from the family [[Pentacrinitidae]]. Among the tallest animals of its period, Seirocrinus is also one of the most famous fossils from the Sachrang Formation. It consists of fossils of colonies along large wood trunks, with specimens up to 14 m long, with the largest specimen reaching 26 m long, what makes it among the tallest know Mesozoic organisms, one of the largest invertebrates know on the fossil record and one of the tallest know animals.<ref>{{cite journal |last1=Simms |title=Contrasting lifestyles in lower Jurassic crinoids: A comparison of benthic and pseudopelagic Isocrinida |journal=Palaeontology |date=1989 |volume=29 |issue=2 |pages=475–493 |url=https://www.palass.org/publications/palaeontology-journal/archive/29/3/article_pp475-493 |access-date=20 February 2022}}</ref> It was an open ocean organism that lived in rafting woods, probably filtering food and serving as a refuge for other animals, such as ammonites. The crinoids had a large colonization process, based on the status of the fossil wood found.<ref>{{cite journal |last1=Haude |first1=R. |last2=Jangoux |first2=M. |title=Constructional morphology of the stems of Pentacrinitidae, and mode of life of Seirocrinus |journal=Proceedings of the European Colloquium on Echinoderms, Brussels. AA Balkema |date=1980 |volume=1 |issue=2 |pages=17–23 |doi=10.1201/9781003078913-3 |s2cid=225515238 |url=https://www.taylorfrancis.com/chapters/edit/10.1201/9781003078913-3/constructional-morphology-stems-pentacrinitidae-mode-life-seirocrinus-haude?context=ubx&refId=3c73c390-2737-47b5-b86c-a8d93ee370be |access-date=20 February 2022}}</ref> The large rafts were the home for a high variety of marine organisms, such as Balanoideans, Ammonites and other. It has been estimated that without the presence of modern raft wood predators (that appeared on the [[Bathonian]]) those rafts can last up to 5 years, being that the main reason the crinoids were able to reach such huge sizes. The large rafts were also probably essential to distribute animals along the Early Jurassic Seas.<ref>{{cite journal |last1=Hunter |first1=A. W. |last2=Mitchell |first2=E. G. |last3=Casenove |first3=D. |last4=Mayers |first4=C. |title=Reconstructing the ecology of a Jurassic pseudoplanktonic megaraft colony |journal=Royal Society Open Science |date=2019 |volume=7 |issue=7 |pages=12–31 |doi=10.1098/rsos.200142 |pmid=32874621 |pmc=7428219 |
The largest known [[Crinoidea]]n, from the family [[Pentacrinitidae]]. Among the tallest animals of its period, Seirocrinus is also one of the most famous fossils from the Sachrang Formation. It consists of fossils of colonies along large wood trunks, with specimens up to 14 m long, with the largest specimen reaching 26 m long, what makes it among the tallest know Mesozoic organisms, one of the largest invertebrates know on the fossil record and one of the tallest know animals.<ref>{{cite journal |last1=Simms |title=Contrasting lifestyles in lower Jurassic crinoids: A comparison of benthic and pseudopelagic Isocrinida |journal=Palaeontology |date=1989 |volume=29 |issue=2 |pages=475–493 |url=https://www.palass.org/publications/palaeontology-journal/archive/29/3/article_pp475-493 |access-date=20 February 2022}}</ref> It was an open ocean organism that lived in rafting woods, probably filtering food and serving as a refuge for other animals, such as ammonites. The crinoids had a large colonization process, based on the status of the fossil wood found.<ref>{{cite journal |last1=Haude |first1=R. |last2=Jangoux |first2=M. |title=Constructional morphology of the stems of Pentacrinitidae, and mode of life of Seirocrinus |journal=Proceedings of the European Colloquium on Echinoderms, Brussels. AA Balkema |date=1980 |volume=1 |issue=2 |pages=17–23 |doi=10.1201/9781003078913-3 |s2cid=225515238 |url=https://www.taylorfrancis.com/chapters/edit/10.1201/9781003078913-3/constructional-morphology-stems-pentacrinitidae-mode-life-seirocrinus-haude?context=ubx&refId=3c73c390-2737-47b5-b86c-a8d93ee370be |access-date=20 February 2022}}</ref> The large rafts were the home for a high variety of marine organisms, such as Balanoideans, Ammonites and other. It has been estimated that without the presence of modern raft wood predators (that appeared on the [[Bathonian]]) those rafts can last up to 5 years, being that the main reason the crinoids were able to reach such huge sizes. The large rafts were also probably essential to distribute animals along the Early Jurassic Seas.<ref>{{cite journal |last1=Hunter |first1=A. W. |last2=Mitchell |first2=E. G. |last3=Casenove |first3=D. |last4=Mayers |first4=C. |title=Reconstructing the ecology of a Jurassic pseudoplanktonic megaraft colony |journal=Royal Society Open Science |date=2019 |volume=7 |issue=7 |pages=12–31 |doi=10.1098/rsos.200142 |pmid=32874621 |pmc=7428219 }}</ref> |
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[[File:Seirocrinus subangularis (fossil crinoid) (Posidonia Shale, Lower Jurassic; Holzmaden area, Germany) 1 (35674916591).jpg|thumb|center|155px|Close view of one specimen from the Posidonienschiefer]] |
[[File:Seirocrinus subangularis (fossil crinoid) (Posidonia Shale, Lower Jurassic; Holzmaden area, Germany) 1 (35674916591).jpg|thumb|center|155px|Close view of one specimen from the Posidonienschiefer]] |
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*''Temnodontosaurus trigonodon'' |
*''Temnodontosaurus trigonodon'' |
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*''Temnodontosaurus burgundiae'' |
*''Temnodontosaurus burgundiae'' |
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*''Temnodontosaurus zetlandicus''<ref>{{cite journal |last1=Laboury |first1=Antoine |last2=Bennion |first2=Rebecca F |last3=Thuy |first3=Ben |last4=Weis |first4=Robert |last5=Fischer |first5=Valentin |title=Anatomy and phylogenetic relationships of Temnodontosaurus zetlandicus (Reptilia: Ichthyosauria) |journal=Zoological Journal of the Linnean Society |date=2022 |volume=118 |issue=1 |pages=26–38 |url=https://academic.oup.com/zoolinnean/advance-article-abstract/doi/10.1093/zoolinnean/zlab118/6530503?redirectedFrom=fulltext&login=false&fbclid=IwAR2nMtKB99J_YRWo21somYeYUdxjdUx2a3gNeyW3esbAJNEDe7vT73_1xgw |access-date=2 March 2022}}</ref> |
*''Temnodontosaurus zetlandicus''<ref>{{cite journal |last1=Laboury |first1=Antoine |last2=Bennion |first2=Rebecca F |last3=Thuy |first3=Ben |last4=Weis |first4=Robert |last5=Fischer |first5=Valentin |title=Anatomy and phylogenetic relationships of Temnodontosaurus zetlandicus (Reptilia: Ichthyosauria) |journal=Zoological Journal of the Linnean Society |date=2022 |volume=118 |issue=1 |pages=26–38 |doi=10.1093/zoolinnean/zlab118 |url=https://academic.oup.com/zoolinnean/advance-article-abstract/doi/10.1093/zoolinnean/zlab118/6530503?redirectedFrom=fulltext&login=false&fbclid=IwAR2nMtKB99J_YRWo21somYeYUdxjdUx2a3gNeyW3esbAJNEDe7vT73_1xgw |access-date=2 March 2022}}</ref> |
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*''Temnodontosaurus "sp. A"'' |
*''Temnodontosaurus "sp. A"'' |
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*''Temnodontosaurus "sp. B"'' |
*''Temnodontosaurus "sp. B"'' |
Revision as of 13:14, 23 March 2022
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The Sachrang Formation or "Posidonienschiefer" Formation (Whose Vulgar name is "Posidonia Shale") is a geological formation of southwestern Germany, northern Switzerland, northwestern Austria, southeast Luxembourg and the Netherlands, that spans about 3 million years during the Early Jurassic period (early Toarcian stage). It is known for its detailed fossils, especially sea fauna, listed below.[1] Composed mostly by black shale, the formation is a Lagerstätte, where fossils show exceptional preservation (Including exquisite soft tissues), with a thickness that varies from about 1 m to about 40 m on the Rhine level, being on the main quarry at Holzmaden between 5 and 14 m.[1] Some of the preserved material has been transformed into fossil hydrocarbon Jet, specially wood remains, used for jewelry.[2] The exceptional preservation seen on the Posidonia Shale has been studied since the late 1800s, finding that a cocktail of chemical and environmental factors let to such an impressive conservation of the marine fauna.[2] The most common theory is the changes in the oxygen level, where the different anoxic events of the Toarcian left oxygen-depleted bottom waters, with the biota dying and falling to the bottom without any predator able to eat the dead bodies.[3]
Microbial activity
Color key
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Notes Uncertain or tentative taxa are in small text; |
Genus | Species | Location | Material | Notes | Images |
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Traces of Microbial Activity |
Non-fenestrate stromatolite crusts formed in Aphotic deep-water environments during intervals of very low sedimentation.[4] Abundant on the Precambrian, but after it, and concretely on the Jurassic-Cretaceous, the appearance of the Corallinaceae algae and related biota forced the stromatolite-forming microbes to withdraw to extreme habitats such as hypersaline lagoons and possibly to deep-water settings. On the Sachrang Formation are related with plankton, mainly coccoliths and the problematic Schizosphaerella (A Haptophytan Alga), but also typical deep-sea forms including various groups of cephalopods, and articulated skeletons of fishes and reptiles.[4] The Stromatolites of this region have evidence of live on a deeper shelf environment with a quietwater deposit which suffered repeated phases of stagnant bottom waters, where a depth water habitat developed, probably at more than 100 meters depth.[4] There is a thin, southern widespread Stromatolite crust on the Top of the Sachrang Formation, called "Wittelshofener Bank", that has made rethink the depth of the major southern basin of the formation, where with the absence of phototrophic calcareous benthic organisms (probably due to the lack of light), shows the deph character of the Basin.[4] On the "Wittelshofener Bank" there is also the only occurrence of Ooids, presumably formed in the same deep-water environment.[4] |
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Possible traces of Microbial Activity |
Probably related with Archaea activity.[4] Although Frutexites is a cryptic microfossil and an important element of many deep water stromatolites, with an Inorganic origin proposed, where are interpreted as dendritic shrubs to purely inorganic growth of Aragonitic crystals, but also resemble shrubs of the cyanobacteria Angulocellularia.[4] On the Posidonia a cryptoendopelitic mode of life is assumed, being only possible for Heterotrophic bacteria or Fungi.[4] As seen on the Stromatolites of the Posidonia, Frutexites acted mainly as a dweller or secondary binder of the deep-water stromatolites, not as their major constructor.[4] |
Cyanobacteria
Genus | Species | Location | Material | Notes | |
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Crypt laminites |
A Cyanobacteria, member of the family Oscillatoriales. The only difference compared to the Paleozoic forms is the much thinner celular wall of the specimens described, which otherwise seems to be always thicker, and the more irregular shape of the individual tubes. Girvanella is almost rock-forming in the Lower and Upper levels, and is very common, but can only rarely be detected in the bituminous clay marl slate due to conservation reasons.[5] The Girvanella specimens recovered on the Posidonienschiefer can come from Diatomeas rather than Cyanobacteria, but its assignation is rather controversial.[5] |
Rhizaria
Foraminifera
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Shells |
A benthonic Foraminiferan, member of Vaginulinidae inside the family Vaginulinida (Lagenina). An extant genus. Its shell resemble a mixture between an ammonite conch, due to having a lower spiral, and a mussel. |
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Shells |
A benthonic Foraminiferan, member of Vaginulinidae inside the family Vaginulinida (Lagenina). Its conch has a Myriapod-like segmented built. |
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Shells |
A benthonic Foraminiferan, member of Vaginulinidae inside the family Vaginulinida (Lagenina). |
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Shells |
A benthonic Foraminiferan, member of Vaginulinidae inside the family Vaginulinida (Lagenina). |
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Shells |
A benthonic Foraminiferan, member of Vaginulinidae inside the family Vaginulinida (Lagenina). |
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Shells |
A benthonic Foraminiferan, type member of Vaginulinidae inside the family Vaginulinida (Lagenina). |
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Shells |
A benthonic Foraminiferan, member of Vaginulinidae inside the family Vaginulinida (Lagenina). |
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Shells |
A benthonic Foraminiferan, member of Marginulininae inside the family Vaginulinida (Lagenina). |
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Shells |
A benthonic Foraminiferan, member of Lenticulininae inside the family Vaginulinida (Lagenina). |
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Shells |
A benthonic Foraminiferan, type member of Cornuspiridae inside the family Cornuspirida (Lagenina). Round-spiral shell morphology |
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Shells |
A benthonic Foraminiferan, member of Nodosariidae inside the family Nodosariacea (Lagenina). Dentalina is an extant genus, with an elongated shell, that resemble a small worm. |
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Shells |
A benthonic Foraminiferan, member of Nodosariidae inside the family Nodosariacea (Lagenina). |
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Shells |
A benthonic Foraminiferan, member of Nodosariidae inside the family Nodosariacea (Lagenina). |
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Shells |
A benthonic Foraminiferan, type member of Ichthyolariidae inside the family Lagenina. Another genus with a Myriapod-like segmented built. |
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Shells |
A benthonic Foraminiferan, type member of Lingulininae inside the family Nodosariidae (Lagenina). |
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Shells |
A benthonic Foraminiferan, type member of Frondiculariinae inside the family Nodosariidae (Lagenina). |
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Shells |
A benthonic Foraminiferan, member of Ceratobuliminidae inside the family Robertinida. It resembles a small ammonite. |
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Shells |
A benthonic Foraminiferan, member of Psammosphaerinae inside the family Psammosphaeridae. |
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Shells |
A benthonic Foraminiferan, type member of the family Ammodiscinae inside Ammodiscina. |
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Shells |
A benthonic Foraminiferan, member of the family Usbekistaniinae inside Ammodiscidae. |
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Shells |
A benthonic Foraminiferan, member of the family Spiroplectammininae inside Spiroplectamminidae. |
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Shells |
A benthonic Foraminiferan, member of the family Involutinidae inside Involutinae. |
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Shells |
A benthonic Foraminiferan, member of the family Involutinidae inside Involutinae. |
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Shells |
A benthonic Foraminiferan, member of the family Cornuspirinae inside Cornuspiridae. |
Dinoflagellata
Dinoflagellate cysts
The evolutionary burst of the Toarcian Dinoflajellates led the first appearance and rapid radiation of the Phallocystaceae (Susainium, Parvocysta, Phallocysta, Moesiodinium and related forms).[8] This occurred at the time of a widespread Lower Toarcian bituminous anoxia-derived shale of the Posidonienschiefer Formation. Is recovered on the Posidonienschiefer, Pozzale, Italy, Asturias, Spain, Bornholm, Denmark, the Lusitanian Basin of Portugal, the Jet Rock Formation in Yorkshire and to the "Schistes Carton" in northern France. Whether there is a causal connection in this co-occurrence of Phallocystaceae and bituminous facies is a problem still to be resolved. This family has its acme in diversity and quantity in the latest Toarcian and became less important in the Aalenian.[8]
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Cysts |
A Dinoflagellate cyst, member of Dinophyceae of the family Nannoceratopsiaceae. On the Lias Epsylon Interval (Lowermost Toarcian), most of the assemblages are dominated by Nannoceratopsis gracilis. Nannoceratopsis senex becomes highly abundant until the uppermost Tenuicostatum.[9] |
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Cysts |
A Dinoflagellate cyst from the family Comparodiniaceae. |
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Cysts |
A Dinoflagellate cyst from the family Comparodiniaceae. |
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Cysts |
A Dinoflagellate cyst from the family Apodiniaceae. An Ectoparasitic dinoflagellate, whose hosts are normally Tunicates |
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Cysts |
A Dinoflagellate cyst from the family Scriniocassiaceae. |
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Cysts |
A Dinoflagellate cyst from the family Scriniocassiaceae. |
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Cysts |
A Dinoflagellate cyst from the family Scriniocassiaceae. |
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Cysts |
A Dinoflagellate cyst from the family Scriniocassiaceae. |
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Cysts |
A Dinoflagellate cyst from the family Heterocapsaceae. |
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Cysts |
A Dinoflagellate cyst from the family Heterocapsaceae. |
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Cysts |
A Dinoflagellate cyst from the family Heterocapsaceae. |
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Cysts |
A Dinoflagellate cyst from the family Heterocapsaceae. |
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Cysts |
A Dinoflagellate cyst from the family Gonyaulacaceae. |
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Cysts |
A Dinoflagellate cyst from the family Phallocysteae. |
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Cysts |
A Dinoflagellate cyst, type member of Mancodiniaceae. Dominant genera on some layers of the Lias Delta Stage.[9] |
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Cysts |
A Dinoflagellate cyst, type member of Luehndeoideae. Luehndea spinosa is common on the medium layers of the lower Sachrang Formation, while restricted to some areas on the Lias delta.[9] |
Algae
Includes abundant variety of algae, such as the genus of colonial Green algae Botryococcus, or the unicellular algal bodies Tasmanites, and other small examples. Algae are a good reference for changes on the oxygen conditions along the Toarcian.[14]
Algae Acritarchs
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Millions of specimens |
An Acritarch probably from Algal origin. Veryhachium fossils represent open marine and transgressive conditions. It has high presence on most of the samples studied from the Sachrang Formation, being nearly the 50% of the Acritarch fraction on some locations. |
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Millions of specimens |
An Acritarch probably from Algal origin. Its fossils indicate nearshore or estuarine to shallow lagoon and/or slightly brackish-water environments. It is the dominant on the nearshore sections. |
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Millions of specimens |
An Acritarch probably from Algal origin. Related to open shelf deposits |
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Millions of specimens |
An Acritarch probably from Algal origin. Related to open shelf deposits |
Haptophyta
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Millions of specimens |
A member of the family Parhabdolithaceae inside Stephanolithiales. Shore deposits genus. The abundance drop of M. jansae further characterise the T-OAE perturbation, where becomes the dominant Genus on most of the Saxony Basin. |
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Millions of specimens |
Type member of the family Parhabdolithaceae inside Stephanolithiales. |
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Millions of specimens |
Type member of the family Schizosphaerellaceae inside Parhabdolithaceae. Towards the Pliensbachian-Toarcian extincion this genus gets a decrease in abundance and size that shows the change and biotic crisis. |
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Millions of specimens |
Type member of the family Biscutaceae inside Parhabdolithaceae. |
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Millions of specimens |
Type member of the family Biscutaceae inside Parhabdolithaceae. |
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Millions of specimens |
Type member of the family Biscutaceae inside Parhabdolithaceae. |
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Millions of specimens |
Type member of the family Calyculaceae inside Parhabdolithaceae. |
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Millions of specimens |
A member of the family Chiastozygaceae inside Eiffellithales. |
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Millions of specimens |
A member of the family Chiastozygaceae inside Eiffellithales. |
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Millions of specimens |
A member of the family Watznaueriaceae inside Watznaueriales. |
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Millions of specimens |
A member of the family Watznaueriaceae inside Watznaueriales. |
Chlorophyta
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Millions of specimens |
A member of Dinophyceae. |
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Millions of specimens |
A member of Peridiniaceae inside Dinophyceae. |
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Millions of specimens |
A member of Gonyaulacaceae inside Dinophyceae. |
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Millions of specimens |
A member of Prasinophyceae. It the main genus present on silt and sand horizons, trending to be absent on black argillaceous layers. |
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Millions of specimens |
A member of Prasinophyceae. A genus common on green clays and other upper strata on the formation. |
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Millions of specimens |
A member of Prasinophyceae. A genus common on green clays and other upper strata on the formation. |
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Millions of specimens |
A member of Prasinophyceae. A genus common on green clays and other upper strata on the formation. |
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Millions of specimens |
A member of the Prasinophyceae. Basinal deposits genus |
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Millions of specimens |
A member of the Prasinophyceae. Basinal deposits genus |
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Millions of specimens |
A member of the Prasinophyceae. Basinal deposits genus |
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Millions of specimens |
A member of the Prasinophyceae. Basinal deposits genus |
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Millions of specimens |
A member of the Prasinophyceae. Basinal deposits genus |
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Millions of specimens |
A member of the family Pyramimonadales inside Prasinophyceae. Basinal deposits genus |
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Millions of specimens |
A member of the family Halosphaeraceae inside Chlorodendrales. Basinal deposits genus |
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Millions of specimens |
Type member of the family Botryococcaceae inside Trebouxiales. Freshwater or Deltaic Genus |
Fungi
Fungal Spores, hypae and undeterminated remains are a rare element of the otherwise openmarine deposits of the Posidonienschiefer formation, but where recovered at Dormettingen.[22] This fungal remains are composed mostly by indeterminate spores and indicate oxygenated environments and suitable transportation by rivers.[22]
Plantae
The macroflora of the Posidonia slate can be described as extremely poor in species.[23] Apart from the remains of Horsetails, it is without exception the remains of coarse branches and fronds from gymnosperms, in which one has a certain can assume transport resistance. Remains of Ferns are completely missing, except for tall arboreal ferns (Peltaspermales).[24] Mostly of the flora was reported from the area of Braunschweig.[23] The major explanation for the flora could be that the plants in question are mono-or oligotypic stands on the edge of the waters that flow into the Posidonienschiefer sea, probably tear away in the course of flood events, easily fragmented during transport and wave waves, possibly especially in the occasional storm events postulated.[25] In terms of taphonomy, this would result in a comparison with today's reed Phragmites, which can form extensive stocks on the edge of shallower and slowly flowing waters ("Reed belts").[23] The Wood remnants clearly indicate one higher diversity of Coniferous flora in the delivery area than the remains of leafy branches.[23] This fact is likely to be proportionate, similar to that frequent occurrence of charcoalized or gagged trunks, mostly of them are believed to be "driftwoods" that only take a long time drifting also suggests a frequent settlement with mussels and full-grown Sea Lilies.[23][25] The deposition settings are at large distance from the nearest coastline (for southern Germany about 100 kilometers), making only plants strong to transportation able to resist enough to get deposited.[26][27] At Irlbach and Kheleim, NE of Regensburg, where the Posidonienschiefer has its near mainland deposit with abundant sand, a rich deposit filled with plant remains of different kind (Seds, Reproductive organs, Leafs, Stems, Cuticles and wood) with traces of coal was recovered, however, it was never studied in depth.[28] Of all the plant material expected only a few Bennetites leafs and two conifer branches with leaves where cited and none studied.[28] At the Austrian realm The sachrang Member was developed in the basinal area, while the Unken Member, sandwiched between red, often condensed limestones, represents the marginal facies.[17] Due to be more marginal and connected with the southern Vindelician land, the most diverse palynological assemblages of the formation are found, transported from zonas with moldanuvian granites as proven by the feldspar accumulations.[17]
Phytoclasts
Phytoclasts have been recovered from several sections on the formation, but only studied in depth from the Dotternhausen and specially Dormettingen.[22] Here two kinds of Phytoclasts where recovered, opaque phytoclasts (charcoal, indicator of wildfire activity on nearby landmasses, indicator of seasonal alterations of the water column) and translucent phytoclasts (indicator of proximal landmasses with high aviability of wood and other plant material, as well transport conditions).[22] On the lowermost part of the section opaque phytoclasts are low (15% of the total organic matter) while tranlucent are incredibily abundant (40%), lowering its abundance to a 20-10% on the next section.[22] The Exaratum Subzone is the only one with an inverse trend and more abundance of opaque phytoclasts. On the Bifrons level, both types reach between a 15% and a 30%, showing a rapid increase, to decrease on the end of the section to values of less than a 10%.[22] Opaque Phytoclasts, for a supposed marine deposit are relatively abundant on some sections, whose decreasing on others suggest (along with increasing levels of Kaolinite) an increased delivery of land plant material by rivers, from areas with wetter climate and less frequent fires, while its rise suggest the opposite, nearby continental setting with dry climate and continuous wildfire activity.[22]
Palynology
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Spores |
Affinities with Pteridopsida. Spores from several types of ferns, relatively rare, present only on 2 samples. |
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Spores |
Affinities with Selaginellaceae and probably Lycopsida. A rare element on the palynological records of the German Basin, although more abundant than any other Spore recovered locally. |
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Spores |
Affinities with the family Osmundaceae inside Polypodiopsida. Near Fluvial currents ferns, reted to the modern Osmunda regalis |
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Affinities with the family Cyatheaceae inside Cyatheales. Arboreal Fern Spores |
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Spores |
Affinities with Dicksoniaceae inside Pteridopsida. Tree Fern Spores |
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Spores |
Affinities with the Ophioglossaceae inside Filicopsida. Spores related with modern floor Ferns, that appear on abundant water locations. The Unken Member is considered a more basinal deposit, where Wood and Sporomorph remains are more common. |
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Spores |
Affinities with Gleicheniaceae inside Gleicheniales. Suggest relative increase of humidity on the rivers flowing towards the Austrian realm. Most abundant Fern spore in this region. |
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Pollen |
Affinities with the families Peltaspermaceae, Corystospermaceae or Umkomasiaceae inside Peltaspermales. Pollen of Uncertain provenance, that can be derived from any of the members of the Peltaspermales. The lack o distinctive characters and bad conservation are among the main factors to make this Palynological residues difficult to classify. Arboreal to arbustive seed ferns. |
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Pollen |
Affinities with Gnetopsida and probably Gnetophyta. Has Been considered Pollen of Chloranthaceae. However, it is to old for belonging to advanced Angiosperms. It probably comes from cones related to the Genera Piroconites kuesperti from the Lowermost Jurassic of Germany, resembling pollen of extant Ephedra and Welwitschia. |
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Pollen |
Affinities with the Cycadopsida inside Cycadales. Pollen related with modern Cycas, arbustive to lower floor plants, relatively abundant, present on various of the measured samples. The mos common found on the Austrian realm, indicator of dry settings. |
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Pollen |
Affinities with Cycadaceae and probably Cycadales. Alternatively can be Pollen from Bennettitales. It is the most abundant non conifer Pollen recovered on the formation, recovered on all the major sampled areas. Probably derived from arbustive cycads, this genus is related with dry settings, even from desertic regions. |
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Pollen |
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Pollen |
Affinities with the Pinidae inside Coniferae. Abundant on the Lower Jurassic of NW Europe. Its identification on the Posidonienschiefer is rather complex due to the bad preservation of the Pollen Grains. |
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Pollen |
Affinities with both Sciadopityaceae and Miroviaceae inside Pinopsida. This Pollen resemblance with extant Sciadopitys suggest that Miroviaceae can be an extinct lineage of sciadopityaceaous-like plants.[33] |
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Pollen |
Affinities with Cheirolepidiaceae and Araucariaceae inside Pinaceae. Non concreted affinities |
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Pollen |
Affinities with Cheirolepidiaceae inside Pinaceae. Abundant on the Lower Jurassic of NW Europe. Spheripollenites co-occurs on the coeval Sorthat Formation with cuticles of Dactyletrophyllum ramonensis, and after a test of relationships it was found a highly significant correlation that may suggest that the species S. psilatus was produced by the conifer genus Dactyletrophyllum.[34] |
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Pollen |
Affinities with the Cheirolepidiaceae inside Pinales. Pollen from Arboreal to Arbustive Plants. It is rare on the Samples measured. |
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Pollen |
Affinities with Cheirolepidiaceae inside Coniferae. Abundant on the Lower Jurassic of North and Southern Europe, represents pollen of medium to large arboreal plants, specially coniferales. The abundance of pollen of Classopollis and other thermophile plants was observed in this region in the lower Toarcian from the end of the antiquum (= tenuicostatum) zone to the middle of commune zone.[35] Classopollis is correlated with evaporites and are therefore associated with desert basins, but the shrubs may have also lived in xeric upland areas with seasonal fires. Evidence of fires is absent on the marine Posidonienschiefer, but has been recovered on the coeval nearshore calcareous sandstones.[35] It increases with the appearance of charcoal phytoclasts, as derived from dry settings with increased wilfires.[22] |
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Pollen |
Affinities with Cheirolepidiaceae inside Coniferae. Pollen of medium to large arboreal plants, specially coniferales. |
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Pollen |
Affinities with the family Cupressaceae inside Pinopsida. Pollen that resembles extant genera such as the Genus Actinostrobus and Austrocedrus, probably derived from Dry environments. |
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Pollen |
Affinities with Podocarpaceae inside Pinopsida. Pollen From arbustive to arboreal plants |
Equisetaceae
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Stems |
Affinities with Equisetaceae inside Equisetopsida. Number of mostly very fragmented and not particularly well preserved, but clear horsetail remains described. So far recognizable, leaf sheaths where developed in most cases, but the state of preservation does not allow a more precise determination.[37][38] |
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Stems and incomplete axes |
Affinities with Equisetaceae inside Equisetopsida. Neocalamites is the most common more distributed of all the Posidonia Shale, being even found on Luxembourg Posidonia Strata.[39] Mostly of the Stems reported come from Aeolian-Dunar related deposits, or from nearshore-basinal deposition. Probably was related to the seashore.[39] Some stems are big, resembling the rates of growth seen on modern Bamboo specimens, suggesting +6–7 m tall Equisetopsids.[39] |
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Pollen Cones |
Affinities with Calamitaceae inside Equisetopsida. It was an approximately 2–3 m high shrub-like plant related to swamp environments. Calamitaceans are common in late Palaeozoic wetland plant communities, so the find of a jurassic specimen is rare.[40] Maybe is a mistaken new genera of Pollen cone, but definitely come from an Equisetalean. This genus is found associated with Annularia, being both part of the Calamites plant. It can be related with the Equisetites stems found on the formation. |
Pteridospermatophyta
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Affinities with Umkomasiaceae inside Corystospermaceae. Is based on bipinnate leaves, rachis longitudinally striated, with a long petiole and secondary rachises. It belongs to large tree ferns. Sachrang Formation Specimen is characterized for its large size and probably where attached to trunks similar in built to the Cretaceous genus Tempskya.[41] |
Bennettitales
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
---|---|---|---|---|---|---|
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Affinities with Cycadeoidaceae inside Bennettitales. It is the most abundant medium-sized plant on the environment. Found specially on seashore depositional settings, but also on deltaic and lagoonar environments. It was a low arbustive-arboreal Bennetite related to arid environments, with a leave similar of that of the modern genus Encephalartos, specially Encephalartos munchii, but also Dioon mejiae. Otozamites has been considered synonym with Otopteris, but since the 1990s everybody used the name Otozamites, and Otopteris was forgotten.[45] |
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Affinities with Cycadeoidaceae inside Bennettitales. This Bennettitalean is related to Shrub built. Some specimens were assigned to Dioonites acutifolium (Junior synonym). Consists on leaves with pinnate, leaflets perpendicular or oblique to the rhachis, on the top of the leaf axis. It comes from fragments of fairly large fronds. In its external form it closely follows the modern genus Dioon, only the leaflets are of our kind wider and shorter, they are further apart, but the tendency to rhachis is the same. |
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Affinities with Williamsoniaceae inside Bennettitales. Arboreal Cycadaceans, some with the presence of flower-like structures. It resembles the leaf of the modern Microcycas calocoma, and probably had a similar arboreal built, being the leave of tall Bennetite trees such as Bucklandia, found on the middle jurassic of England. |
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A member of Williamsoniaceae inside Bennettitales. Identified originally as Zamites oblongifolius |
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A member of Williamsoniaceae inside Bennettitales. It has been interpreted as a cycad in the family Cycadaceae or a Bennettitalean plant, and also a late surviving member of Noeggerathiales. Leaflets somewhat removed, oval-oblong, a little narrower near the base, rounded at the tip, nerves partially diverging from the base towards the edge. It was assigned to Pterophyllum oblongifolium and on the genus Glossozamites. This genus was the leaf of arboreal Bennetites, similar in appearance to the modern Encephalartos woodii. |
Ginkgoales
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Affinities with Ginkgoaceae inside Ginkgoales. Various leaves are known from Ohmden, coming from marine deposits and where identified as Ginko digitata, identified originally as the only Ginko specimen reported on the Sachrang Formation. In the southern and northern Germany, there are regular remains of coal, which are initially reminiscent of small Ginkgo leaves. The leaves are hard to identify, more or less regularly concentric structures, as they sometimes appear like the coarse fruiting bodies of wood-dwelling fungi, such as the genus Trametes. |
Pinophyta
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Affinities with Araucariaceae or Cheirolepidiaceae inside Pinales. Represent various kinds of cones from diverse conifer origin. |
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Affinities with Araucariaceae or Cheirolepidiaceae inside Pinales. Pagiophyllum araucarinum predominates among the two types of leafy coniferous branches that have become known from the Posidonia. However, there is no indication whether this fact reflects their respective share in the vegetation of the delivery area. Cheirolepidiaceae Pollen is the most abundant and diverse found on the formation, what is correlated with the abundance of this genus. Other factor that puts local Pagiophyllum on Cheirolepidiaceae is the dominance of an arid climate, the preferred for this type of conifers. |
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Affinities with Araucariaceae or Cheirolepidiaceae inside Pinales. Specimens whose spiral foliage of the branch, in which the individual leaves open about 2/3 of their length (without the tip) are fused with the branch they hold in their free part fits tightly, suggests belonging to the genus Brachyphyllum. |
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Ovuliferous dwarf-shoots |
Affinities with Cheirolepidiaceae. Is the type genus of this family, and is related with Arid Settings. Coming from The land-plant-taphocoenose from posidonia slate 3, is ready for processing. |
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A possible ancestral member of the Callitroideae inside Cupressaceae, or a member of Cheirolepidiaceae. Named also "Cupressites" liasinus, represents probably Arbustive to arboreal-derived axis. |
Fossil wood
Fossil Wood increases on the marginal Unken Member, with great amounts of logs and fragments of more than 1 m. Surface studies suggest relationships with the wood genera identified on the coeval Úrkút Manganese Ore Formation.[48]
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
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Fossil wood |
Affinities with the Cupressaceae inside Pinales. Probably related to the coastal settings. It maybe covered a similar role that modern Swamp Cypress, Taxodium distichum. |
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Fossil wood |
Affinities with Cupressaceae inside Pinales. Wood with a morphology similar to the modern genus Metasequoia. Probably related to Widdringtonites liasinus. |
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Fossil wood |
Affinities with Podocarpaceae inside Pinales. Acmopyle pancheri is the only living conifer that has real resemblance with the wood assigned to Circoporoxylon. Xenoxylon phyllocladoides and C. grandiporosum are commonly found associated, for example in Braunschweig area. |
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Fossil Wood |
Affinities with Podocarpaceae inside Pinales. resembling modern genera such as Dacrycarpus, with other specimens resembling Juniperus. Includes wood more related to nearshore arbustive Conifers (columnar or low-spreading Shrubs with long, trailing branches), being the most abundant, but also medium to large arboreal conifers from nearshore forests. |
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Fossil wood |
Affinities with Podocarpaceae inside Pinales. Phyllocladus is the extant genus of conifer whose wood is more similar. |
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Fossil wood |
Affinities with Podocarpaceae and Cupressaceae inside Pinales. The assignation of this genus is rather complex. |
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Fossil wood. |
Affinities with Araucariaceae inside Pinales. Has araucarioid structures, but lacks proper characters of extant genera such as Araucaria & Agathis The largest known rafting wood on the fossil record is assigned to this genus, with a length of 18 m. The rafts were populated with Crinoid colonies, and a wide variety of organisms.[52] |
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Fossil wood |
Affinities with Abietinae inside Pinales. This genus was found to be related with Protocedroxylon found on the coeval Whitby Mudstone, crucial to the interpretation of the fossil record of Early Abietinae. |
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Fossil wood |
Affinities with Cheirolepidiaceae inside Pinales. Includes large sized trunks up to 1.7 m tall and 115 cm wide. Wood of other species of this genus, such as Protocupressinoxylon purbeckensis grown on flood-influenced settings of vegetated soil with brackish-water, like modern Swamp Cypress. |
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Fossil wood |
Wood of the Protopinaceae, a possible "morpho-group" of the family Cheirolepidiaceae. Belongs to an invalid group of mostly Paleozoic Woods, and all the woods assigned to the family should be treated as Incertae Sedis.[56] |
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Fossil wood |
Affinities with Coniferales, concretely is closer to the Podocarpaceae, Cupressaceae and in a lesser extend to the Cheirolepidiaceae. Finally can be a member of the extinct family Miroviaceae. It is the more abundant genus of wood present on the Bohemian Realm of the Sachrang Formation. |
Ichnofossils
The major ichnological analyses of the Posidonian Shale come from Dotternhausen/Dormettingen, where the ichnogenus Phymatoderma formed the so-called Tafelfleins and Seegrasschiefer.[58] The Tafelflein bed was deposited under anoxic bottom and pore water, where a recover of oxygen allow the Phymatoderma-producers return.[58] The two organic-rich layers (Tafelfleins and Seegrasschiefer) are characterized by the dense occurrence of trace fossils such as Chondrites and Phymatoderma, done episodically due to the fall of the oxygen levels.[58] The Coeval more nearshore Swiss deposits referred Posidonian Shale (Rietheim Member) hosted similar trace fossils asthose recovered on SW Germany.[58] Tougth this setting apparently evolved faster to more oxic-to-dysoxic bottom waters.[58] At Unken, laminated deposits of red limestone suggest well oxygenated active waters (as lack shale), where high amounts of Chondrites are found.[17]
Genus | Species | Location | Material | Notes | Images |
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Burrowing and track ichnofossils. |
Burrow-like ichnofossils. It has been related to Echiuran annelids, but also from moving and feeding polychaete worms.[60] |
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Burrowing and track ichnofossils |
U-shaped tubes with sinuous, bifurcating or planispiral spreite, that can be related to Crustaceans, Annelids and Fishes, being both Domichnia and/or fodinichnia. |
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Burrowing and track ichnofossils |
Burrow-like ichnofossils, that can be related to Crustaceans, Annelids and Fishes.[62] The presence of this burrows changed along the different depositional layers, interpreted as result of relative magnitudes and durations of a series oxygenation events.[62] Increased Oxygen conditions eventually led to a level that permitted both the survival of larger Chondrites and Thalassinoides producing organisms, as well the depth of the Burrow-like structures.[62] The changes on the layers are detailed enough to know that oxygenation-change events duration was sufficient to allowe the migration and establishment of trace-producing organisms, establishing an "equilibrium" with bottom-water oxygen conditions.[62] |
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Burrowing and track ichnofossils |
Burrow-like ichnofossils. Interpreted as the feeding burrow of a sediment-ingesting animal.[64] A more recent study has find that Scoloplos armiger and Heteromastus filiformis, occurring in the German Wadden Sea in the lower parts of tidal flats, make burrows that are homonymous with numerous trace fossils of the ichnogenus.[65] Chondrites burrows from Holzmaden are mostly filled with granular Calcite crystals, clay minerals, and rare framboidal Pyrite. The local dysoxic seawater is reflected on the palaeoredox conditions, relating framboidal pyrite and biogenic processes. Chondrites appear to be capable of colonizing environments characterized by oxygen levels well below levels needed for survival of other animals, being considered an "extremotolerant" ichnotaxon.[66] |
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Burrowing and track ichnofossils. |
Burrow-like ichnofossils. It consists commonly on a subhorizontal branching burrow system consisting of radiating tunnels filled with fecal pellets.[67] It has been interpreted as a product made by an Endobenthic deposit-feeding animal, specially a Fodinichnia, burrows produced by benthonic subsurface food-mining activity, as is proved by the tunnels and pelletal infill.[67] The study of the Fecal Pellets has revelated that the maker of this ichnogenus was an epicontinental shelf setting non-selective deposit feeder, ingesting particles on the sediment surface without selection. A mode of feeding common on aquatic Benthos, reported on modern animals such as Spionid Polychaete worms, tropical Holothurians and Spatangoid urchins.[68] |
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Burrowing and track ichnofossils. |
Burrow-like ichnofossils. It is controversial, since is considered a strictly a junior synonym of Palaeophycus.[70] |
Invertebrata
Porifera
In the non-bituminous facies located on Obereggenen im Breisgau (Shore of the Black Forest High), especially the lower semicelatum subzone, pyritized individual needles of silica sponges (Demospongiae and Hexactinellida) are found, rarely on pelagic layers to very often on the low depth marine deposits.[5] They are usually associated with radiolarian stone cores. In Dusslingen and Reutlingen, these sponge needles could be barytized in phosphorites of the Haskerense subzone and are much more common here than in any other zone of the Lower Toarcian. These needles are absent in the bituminous horizons of the entire Lower Toarcian.[5] Increased amounts of Sponge needles (dominated by Hexactinellida) are also found on the arenaceous facies of the nearshore unit that is the Unken member, being the only section if its region hosts them, probably due to be an active and well oxygenated bottom.[17] The location of this member as a possible bay on the south of the vindelician land probably allow to the development of more pre-Toarcian AOE conditions, hence the presence of biota otherwise rare on bituminous layers.[17]
Annelida
Genus | Species | Location | Material | Notes | Images |
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Multiple Specimens. |
A sessile, marine annelid tube worm of the family Serpulidae. Its affinities with the genus Serpula are controversial, since the genus is known mostly since Cretaceus strata. Although there are other fossils assigned to the genus on same age deposits of France. Presumably these specimens have fallen from their growth areas.[5] |
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A polychaete of the family Dorvilleidae inside Eunicida. It was considered as part of the genus Halla. Eunicidan species with prionognath jaws, absent on Bituminous layers |
Mollusca
Brachiopoda
Genus | Species | Location | Material | Notes | Images |
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Shells |
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Shells |
A Discinidae rhynchonellatan. This genus was found had a planktotrophic larval stage, that adapted while growing to the local redox boundary, when this fluctuated near the sediment–water interface and oxygen availability prevailed, allowing benthic colonization. Is found on associations with Grammatodon and Pseudomytiloides.[71] |
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Shells |
A Lingulidae rhynchonellatan. Associations of bioturbation infauna are dominated on certain sections by Palaeonucula/Lingula agrupations, developed under longer-term oxygenated conditions within the substrate and bottom waters.[71] |
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Shells |
A Rhynchonellidae rhynchonellatan. Found associated with Plicatula on long-term well-oxygenated conditions within the substrate and bottom waters.[71] |
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Shells |
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Shells |
Bivalvia
Genus | Species | Location | Material | Notes | Images |
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An oxytomid scallop. Found mostly on the "Dactylioceras-Monotis-Bank", a deposit derived from large scale tectonic events on the Bohemian coastline |
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A pectinoid scallop. The presence of this genus along endo- and epibenthic bivalves, which are absent farther up the section, suggest a delayed overstepping of anoxic bottom waters on the Altdorf High.[74] |
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A propeamussiid mud scallop. |
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A plicatulid mud scallop. |
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20.000 specimens/m2 |
A posidoniid ostreoidan. It is the type fossil of the Sachrang Formation. Originally it was named "Posidonia bronni", thought to be a new genus, and the strata was denominated the Posidonia layers after it. Years later it turned out to be a junior synonym of Bositra, and thus, it was reassigned. However, the name of the layers was retained. The habitat and mode of life of Bositra has been debated for more than a century. There have been different interpretations, such as a pseudoplanktonic organism,[76] a benthic organism related to open marine floor, where it was the main inhabitant of the basinal settings, and a hybrid mode, where it has a life cycle with holopelagic reproduction controlled by the change on Oxygen levels, and even a chemosymbiotic lifestile, related to the large crinoid rafts, being the main "Safe conduct" to evade anoxic events. All the opinions along the years led to a large study in 1998, where the size/frequency distribution, the density of growth thanks to the lines related to the shell size and the position of the redox boundary by total organic carbon diagrams has revealed that Bositra probably had a benthic mode of life.[77] |
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A "posidoniid" ostreoidan. Another Genera mistaken with "Posidonia bronni". |
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A bakevelliid mud oyster. |
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A Pteriidaeoid wing-oyster. |
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An inoceramid clam. Being the second most common genera of Bivalve on the Formation, it had been object to several studies to find its ecological niche, like Bositra. Several opinions include a pseudoplanktonic-only organism, able to live in open sea, or a benthonic-only organism. On the 1998 evaluation with Bositra, was found that probably has a benthic early life that translated to a faculatively pseudoplanktonic mode of adult life.[77] |
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An inoceramid clam. |
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An inoceramid clam. |
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A Clam, type member of the family Solemyidae inside Solemyida. |
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A cucullaeid clam. |
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A Grammatodontinae clam. This Genus had a lecithotrophic and planktotrophic larval development.[71] |
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A mactromyid clam. |
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Gastropoda
Genus | Species | Location | Material | Notes | Images |
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A Coelodiscidae sea Snail. Is the oldest known holoplanktonic gastropod, thanks to a bilateral symmetrical shells as an adaption to active swimming. Also the most common of the sea snails of the Formation, it is also one of the most varied in size terms, with some of the biggest specimens of snail from the Lower Toarcian know.[81] It has been related to large floating driftwood as one of the primary settlers.[81] |
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Shells |
A Coelodiscidae sea Snail. Possible holoplanktonic gastropod.[81] |
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Shells |
A Pleurotomariidae sea Snail. |
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Shells |
A Zygopleuridae sea Snail. |
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Shells |
A Eucyclidae sea Snail. |
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Shells |
A Eucyclidae sea Snail. |
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Shells |
A Procerithiidae sea Snail. |
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Shells |
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Shells |
A Snail of uncertain placement. |
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A Pterotracheidae sea Slug. Among the oldest pelagic floating Slugs, Pterotrachea liassica had a more extended larval period than modern extant Pterotrachea coronata, because one additional whorl is present.[82] |
Cephalopoda
Genus | Species | Location | Material | Notes | Images |
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A Nautilidae Nautilidan. Includes the largest specimen of Cenoceras known, with 80 cm width. Two specimens, identified as Nautilus sp. from Holzmaden where found encrusted with Serpulids and Bryozoans.[85] |
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A Lytoceratidae Ammonite. Lytoceras can get quite big, with nearly 50 cm in diameter. |
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Shells |
A Hildoceratidae ammonite. The co-occurrence on Altdorf of boreal (Pseudolioceras) and Tethyan faunal elements (Frechiella) is striking, suggesting clear connection with both regions.[91] |
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Specimens |
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Complete Shells |
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A Dactylioceratidae Ammonite. Is common on the bituminous marls (incorrectly designated as "Wilder Schiefer") of the Altdorf High. |
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Type Coeloceratidae Ammonite. |
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A Phylloceratidae Ammonite. The largest ammonite found in the Posidonienschiefer comes from the Ohmden quarry,and belongs to a Phylloceras heterophyllum with a diameter of 87 cm.[95] |
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A Belemnotheutidae Belemnite. Chitinobelus rostrum was composed of aragonite with organic material, while normal Belemnites had calcite. Has been suggested this rostrum was calcitic. |
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A Megateuthididae Belemnite. Includes some of the Biggest Know Belemnites, with an estimated maximum up to 2 m long in life, although, most specimens would have been rather smaller. |
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A Megateuthididae Belemnite. Includes really large specimens |
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Incertade sedis Belemnites. |
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A Loligosepiidae Loligosepiidan (Vampyromorpha).[104] The Loligosepiidae is believed to be ancestral to the Recent vampire squid, Vampyroteuthis infernalis.[105] Hooklets in the food residues in the posterior mantle indicate that Loligosepia preyed upon belemnites.[103] |
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|
A Loligosepiidae Loligosepiidan (Vampyromorpha). Related to the modern Vampyroteuthis infernalis. Gladii of Loligosepia can be distinguished from Jeletzkyteuthis by the transition lateral field/hyperbolar zone. A specimen of this genus found on Ohmden has appeared predating a Parabelopeltis.[107] The association of this 2 genera shows the predatory behaviour of this group when lived on Epicontinental seas, being rather different than extant Vampyromorphs.[107] |
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A Geopeltidae Loligosepiidan (Vampyromorpha). Related to the modern Vampyroteuthis infernalis. Gladius with weakly arcuated hyperbolar zones. |
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A Geopeltidae Loligosepiidan (Vampyromorpha). Related to the modern Vampyroteuthis infernalis. It is distinguished from Geoteuthis and Loligosepia by its median rib: this rib forms a narrow ridge between two narrow grooves. Probably hosted finds similar to modern Vampyroteuthis.[107] |
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|
A Plesioteuthididae Prototeuthidinan (Vampyromorpha). was originally described as "Geoteuthis" sagittata. |
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Type member of the Lioteuthididae inside Vampyromorphida. The taxonomic position of Lioteuthis is uncertain, although the wings reaching the proximal gladius section and the smooth median field suggest affinity to the Prototeuthididae[109] |
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A Diplobelidae Coleoidean. It has been found adult individuals of Clarkeiteuthis which caught small teleost fish of the species Leptolepis bronni. Further indirect evidence for the hunting behaviour comes from their body orientation in the water during life.[112] |
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A Diplobelidae Coleoidean. Has been confused with Acrocoelites tripartitus, hence the species name. |
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A Diplobelidae Coleoidean. Some specimens belong to Clarkeiteuthis (=Phragmoteuthis) conocauda, but others are clearly different. |
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A Sueviteuthididae Coleoidean. Sueviteuthis had at least six arms with rather simple hooks, similar to the present of the genus Phragmoteuthis. |
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A possible primigenial Cuttlefish. Is one of the most important fossils of Cephalopods on the Sachrang Formation, due to be one of the Earliest examples of Pigments found on any species, also one of the first historically.[114] The pigments are preserved on various specimens with Eumelanin related to its ink sacs and include even phosphatized musculature.[115] |
Arthropoda
Cycloidea
Genus | Species | Location | Material | Notes | Images |
---|---|---|---|---|---|
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|
Incomplete carapace |
The First Cycloid Arthropod from the Jurassic, from the family Halicynidae inside Cycloidea.[116] Cycloids are a group of maxillopod arthropods that span between the Paleozoic until the latest Cretaceous, probably related to the crustaceans and probably detritivores.[116] |
Ostracoda
Genus | Species | Location | Material | Notes | Images |
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Cunchs |
A marine Ostracodan, incertade sedis inside Podocopida. |
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Cunchs |
A Marine Ostracodan of the family Protostomia. The specimens of this genus are rather fargmentary and of uncertain nature. |
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Cunchs |
A marine Ostracodan, member of the family Healdiidae inside Podocopida. Rather abundant on the Toarcian profiles on Europe, this genus has a Mussel-like shape, with a very clean and round morphology. |
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Cunchs |
A marine Ostracodan, member of the family Macrocyprididae inside Podocopida. |
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Cunchs |
A marine Ostracodan, member of the family Pontocyprididae inside Podocopida. |
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Cunchs |
A Marine Ostracodan of the family Healdiidae inside Podocopida. This genus is the main reported on the marine facies of the Dobbertin Clay Pit. |
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Cunchs |
A Marine Ostracodan of the family Healdiidae inside Podocopida. This genus is the main reported on the marine facies of the Dobbertin Clay Pit. |
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Cunchs |
A Marine Ostracodan of the family Healdiidae inside Podocopida. The genus is rare on the layers. |
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Cunchs |
A Marine Ostracodan of the family Protocytheridae inside Podocopida. A genus related with Fish fossils and anoxic bottoms. |
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Cunchs |
A Marine Ostracodan of the family Praeschuleridea inside Podocopida. |
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Cunchs |
A Marine Ostracodan of the family Cytheruridae inside Podocopida. Is rare and the specimens found are rather incomplete. |
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Cunchs |
A Marine Ostracodan of the family Polycopidae inside Cladocopina. Scarce but well preserved specimens. |
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Cunchs |
A Marine Ostracodan of the family Bythocytheridae inside Cladocopina. |
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Cunchs |
A Marine Ostracodan of the family Cytherellidae inside Platycopida. |
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Cunchs |
A Marine Ostracodan of the family Cytherellidae inside Platycopida. |
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Cunchs |
A Marine Ostracodan of the family Bairdiidae inside Bairdioidea. Abundant and diverse, is found associated with Ammonite shells. |
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Cunchs |
A Marine Ostracodan of the family Bairdiidae inside Bairdioidea. |
Malacostraca
Genus | Species | Location | Material | Notes | Images |
---|---|---|---|---|---|
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|
Single Specimen inside an Ammonite Shell. |
An hermit crab of the family Paguridae. This specimens where found inside an Ammonite shell, probably looking to evade anoxic conditions or predators. |
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Complete Specimens |
A Decapodan of the family Mecochiridae. |
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Isolated Chelae |
A Decapodan of the family Glypheidae. |
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Uncina[125] |
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An Astacidea Decapodan of the family Uncinidae. Reaching large sizes of almost half a meter (39–47 cm), Uncina Posidoniae is among the largest known Jurassic Crustaceans. Uncina posidoniae is also the largest representative of the genus Uncina.[125] This large crustacean has been found associated with Ammonite and Bivalve filled Bentos, where probably hunted different kinds of prey.[125] Its large claws would have been perfect to hunt small invertebrates and vertebrates.[125] |
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Associated Partial & Complete Specimens |
A gregarious Polychelidan Lobster. Specimens of Tonneleryon schweigerti where recovered generally in cluster of several individuals, a characteristic unique to this species on the whole Polychelida group.[126] The specimens in these accumulations are of similar size, lacking characters of exuviae such as a split median line or disjunction of carapace and first pleonite. Due to that and the disposition of the specimens probably represent a mass-mortality assemblage and suggest this species was gregarious.[126] |
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A Coleiidae Decapodan. Was confussed with Proeryon hartmanni specimens. Although these finds point to some potential for exceptional preservation, the Pfronten locality was never systematically sampled.[127] It was assigned to the genus Gabaleryon the basis of its ovoid carapace, a transverse groove cutting the axial carina on pleonal terga and an uropodal exopod with curved diaeresis.[127] It shares similarities with Gabaleryon garassinoi and Gabaleryon moorei.[127] A species from Gomaringen is the first know with preserved ommatidia.[128] |
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A Coleiidae Decapodan. The second largest Decapodan from the formation, P. giganteus is a species reaching a larger size than most other polychelidans, with up to 15 cm. On the Sachrang Formation there is the most abundant variety of species from the genus, ranging from different sizes and morphologies, that indicate different habitat & feeding adaptations on the genus. Some like P. hartmani show less adaptations to hunt for small nectobenthic preys than other relatives, being abundant on Oyster-filled waters. There is a relatively abundance of the genus in deep-water settings from the Toarcian onward.[131] |
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Partial Specimens. |
A Penaeidae Decapodan. |
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Partial Specimens. |
A Penaeidae Decapodan. |
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An Aegeridae Decapodan. |
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Partial Specimens. |
An Erymidae Decapodan. |
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An Erymidae Decapodan. |
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Complete Specimens |
Type genus of the Erymidae Decapodan family. Originally, was named Glyphea amalthei,informally used by Quenstedt and housed on the Museum Naturkunde in Württemberg. A series of posterior revisions probe it was a different genus.[136] |
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Single Chela |
An Erymidae Decapodan. It was erroneously reported from the Late Toarcian, as was found on bituminous limestone on the Unterer Stein it is clear its provenance from the Sachrang Formation. |
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Single complete specimen in late larval stage |
The specimen reported represents the oldest fossil record of an achelatan lobster larva, and the first representative of achelatan lobsters in the Posidonia Shale. Shares similarities with the late Jurassic genus Cancrinos. It is also the first example among crustaceans, which possibly could have lived as part of the plankton.[138] |
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Partial Specimens |
A Spiny Lobster of the family Palinuridae |
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Single Incomplete Specimen |
A Stomatopoda Malacostracan. Its affinities haven't been tested. |
Thoracica
Genus | Species | Location | Material | Notes | Images |
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Numerous disarticulated individuals, associated with fossil wood.[140] |
A phosphatic-shelled Cirripede of the family Eolepadidae.[140] Toarcolepas is provisionally interpreted as the oldest epiplanktonic cirripede known, and is thought to have lived attached to floating driftwood.[140] |
Arachnida
Genus | Species | Location | Material | Notes | Images |
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Single Incomplete Specimen. |
The type genus of the family Liassoscorpionididae, probably related to Mesophonoidea. Being the only Jurassic scorpion known, there is no evidence that L. schmidti was aquatic (which was suggested in the past) and in the absence of further, better preserved material it should be excluded from future considerations of broad patterns of scorpion evolution.[142] |
Insecta
Insects are a common terrestrial animals that were probably washed into the sea due to monsoon conditions present on the Sachrang Formation.[143]
Genus | Species | Location | Material | Notes | Images |
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Incomplete Specimens |
Uncertain Affinity Insects, whose remains are scarce to allow an assignation to a concrete family. Also Includes insects with characters never seen in other families and genera. |
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Gryllones (Extinct clade of Basal Insects) of the family Geinitziidae. |
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Isolated Wings |
An Eoblattidan of the family Blattogryllidae. |
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Specimens |
An Odonatopteran (ancient winged insects) from the family Protomyrmeleontidae. |
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Isolated Wings |
An Indeterminate Family dragonfly. Dragonflies non assiganted to a concrete family due to the incomplete or fragmentary nature of its remains. |
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A dragonfly of the family Heterophlebiidae. Heterophlebia is a relative abundant Genus, present on most of the pits of the Sachrang Formation, even on Holzmaden. Heterothemis is the second most distributed insect on the formation. |
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Isolated Wings |
A dragonfly of the family Liassogomphidae. |
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A dragonfly of the family Sphenophlebiidae. The Kerkhofen specimens of Sphenophlebia pommerana shows an almost complete dragonfly with head and abdomen as well the two pairs of wings that are partially on top of each other, consisting of fore and hind wings.[153] |
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Isolated Wings |
A dragonfly of the family Myopophlebiidae. |
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Isolated Wings |
A dragonfly of the family Campterophlebiidae. Campterophlebia is the largest Early Jurassic Insect Know, with a wings size up to 20 cm.[154] |
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A dragonfly of the family Henrotayiidae. |
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A cockroach of the family Raphidiomimidae. |
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Isolated Wings |
A cockroach of the family Mesoblattinidae. |
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Isolated Wings |
A cockroach of the family Caloblattinidae. |
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Isolated Wings |
A cockroach of the family Blattulidae. |
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Isolated Wings |
A stick insect of the family Aerophasmidae. Schesslitziella is one of the described insects found more near the Bohemian Massif, where probably belong most of the terrestrial invertebrate fauna. |
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grasshoppers of uncertain Placement. |
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A grasshopper of the family Protogryllidae. |
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A grasshopper of the family Elcanidae. |
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A grasshopper of the family Elcanidae. |
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A short-horned grasshopper of the family Acrididae. |
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Grasshoppers of the family Locustopsidae. |
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Isolated Wings |
A Planthopper of uncertain placement. |
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Isolated Wings |
A Planthopper of the family Archijassidae. |
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Planthoppers of the family Fulgoridiidae. |
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Isolated Wings |
A Froghopper of the family Procercopidae. |
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A Shore bug (Saldidae) Of Uncertain Placement. |
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A Shore bug (Saldidae) of the family Archegocimicidae. |
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Beetles of uncertain placement inside Coleoptera. Diverse beetle specimens that due to its preservation (incomplete) or its morphological traits are not assigned to any concrete family. The abundance of beetle Elytrons indicates the proximity of terrestrial habitats. |
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False Ground Beetles of the family Trachypachidae. |
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A Water Scavenger Beetle of the family Hydrophilidae. |
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Beetles of the family Coptoclavidae. |
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A Beetle of the family Phoroschizidae. |
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Elytrons |
A Giant Beetle. It is among the largest found on all the Jurassic. |
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Isolated Wings |
Mayfly of the family Protereismatidae. |
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Isolated Wings |
Hanginflies of the family Bittacidae. |
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Isolated Wings |
Scorpionflies of the family Orthophlebiidae. |
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Isolated Wings |
Scorpionflies of the family Protorthophlebiidae. |
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Isolated Wings |
Scorpionflies of the family Pseudopolycentropodidae. |
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Flies Of Uncertain Placement. Some of the Specimens where listed as Nymphs but are now tougth to be wingless Dipterans |
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Isolated Wings |
A Fly of the family Protopleciidae. |
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Isolated Wings |
A Wood Gnat of the family Anisopodidae. |
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Isolated Wings |
A Snakefly of the family Priscaenigmatidae. |
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Isolated Wings |
A Snakefly of the family Metaraphidiidae. |
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Isolated Wings |
A Fly of the family Heterorhyphidae. |
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Isolated Wings |
A Fly of the family Protorhyphidae. |
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Isolated Wings |
A Fly of the family Hennigmatidae. It represents the oldest know genus of this primitive family. |
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|
Isolated Wings |
A primitive Crane fly of the family Tanyderidae. Extant members of the family are nectar feeder while extinct members cannot be determined precisely.[164] |
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Isolated Wings | |||
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Isolated Wings |
A Crane fly of the family Limoniidae. |
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Isolated Wings |
A Phantom Crane fly of the family Eoptychopterinae. |
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Isolated Wings |
An Amphiesmenopteran of the family Necrotauliidae. The ovipositor, like terminalia of female N. parvulus, indicate that these insects laid their eggs rather in soil than in water |
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Isolated Wings |
Lepidopterans probably related with the family Micropterygidae. Compared with their record on Grimmen, on Lower Saxony Lepidopterans are rather scarce and bad preserved. |
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Isolated Wings |
A Lacewing of uncertain placement. |
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Isolated Wings |
A Lacewing of the family Prohemerobiidae. |
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|
Isolated Wings |
A Silky Lacewing of the family Psychopsidae. |
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Isolated Wings |
A Lacewing of the family Panfiloviidae. A large genus with wings around 50 mm. |
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| ||||
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Isolated Wings |
A Giant Lacewing (Kalligrammatidae) of the subfamily Liassopsychopinae and Kallihemerobiinae. It is one of the oldest known representatives of the Giant pollinator lacewings. The genus Liassopsychops was previously referred to Psychopsidae. Another specimen related, Specimen Hi 21 is regarded here as Kalligrammatidae incertae sedis. This along the occurrence of two distantly-related genera of Kalligrammatidae in the lower Toarcian is unexpected.[169] The Toarcian Kalligrammatidae lived in warm and dry conditions, as proven by its recovery from the zone of Hondelange but absence on Grimmen and other northern locations. Both genera where among the largest insects found on all the formation.[169] |
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Isolated Wings |
A lance Lacewing of the family Osmylopsychopidae. |
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Isolated Wings |
Lance Lacewings of the family Osmylidae. Tetanoptilon is the largest non-Kalligrammatidae lacewing of the Jurassic, with a forewings length up to 470 mm and a wingspan estimated at 11 cm. Like the Kalligrammatids, this genus is limited to the southern zones, asbsent in northern deposits.[169] |
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| ||||
|
|
Isolated Wings |
A lance Lacewing of the family Mesochrysopidae. |
||
|
|
Isolated Wings |
A Hairy Cicada of the family Tettigarctidae. |
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Isolated Wings |
Pentatomomorphans of the family Pachymeridiidae. Are related with the family Lygaeoidea, being possible ancestral forms of this last one. |
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Isolated Wings |
A Sternorrhynchan of the family Pincombeomorpha. It is curious for its peculiar venation on its wings. Has been proposed its own family, Xulsigiidae. |
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Isolated Wings |
A Coleorrhynchan of the family Progonocimicidae. |
||
|
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Isolated Wings |
A Pseudo-Wasp of the family Sepulcidae. |
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Isolated Wings |
A Wasp of the family Ephialtitidae. |
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Isolated Wings |
A Wood Wasp of the family Xyelotomidae. |
Echinodermata
Echinoderm debris is pretty abundant on the shale-free Unken and Salzburg members, including Crinoid skeleton elements, also that of the Ophiurida; the Echinoids take their place, where really blossomed at that time. That's why Pedicellaria are observed very often.[17]
Asterozoa
Genus | Species | Location | Material | Notes | Images |
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Isolated Arm Plates |
An Ophiuridan of the family Euryophiurida. |
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Isolated Arm Plates |
An Ophiuridan of the family Ophiomusina. |
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Isolated Arm Plates |
An Ophiuridan of the family Ophiomusina. |
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|
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Isolated Arm Plates |
An Ophiuridan of the family Ophiomusaidae. |
||
|
|
Isolated Arm Plates |
An Ophiuridan of the family Ophiomusaidae. |
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|
|
Isolated Arm Plates |
An Ophiuridan of the family Ophiopyrgidae. |
||
|
|
Isolated Arm Plates |
An Ophiuridan of the family Ophiopyrgidae. |
||
|
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Isolated Arm Plates |
An Ophiuridan of the family Astrophiuridae. |
||
|
|
Isolated Arm Plates |
An Ophiuridan of the family Ophioscolecidae. |
||
|
|
Isolated Arm Plates |
An Ophiuridan of the family Ophiohelidae. |
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|
|
Isolated Arm Plates |
An Ophiuridan of the family Ophiotomidae. |
||
|
|
Isolated Arm Plates |
An Ophiuridan of incertade sedis family on the order Ophiodermatina. |
||
|
|
Isolated Arm Plates |
An Ophiuridan of incertade sedis family on the order Ophionereididae. |
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|
|
Isolated Arm Plates |
An Ophiuridan of the family Ophiactidae. Very rare on the layers. |
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|
|
An Ophiuridan of the family Ophiolepididae. |
||
|
|
Isolated Arm Plates |
An Ophiuridan of the family Ophiacanthida. Very Common, related to non anoxic water sedimentation. |
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|
|
An Ophiuridan of the family Ophioleucidae. The Mostly know Arterozoan from the formation, including a single articulated specimen. |
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Isolated Arm Plates |
An Ophiuridan of the family Ophiuridae. Its relationships haven't been confirmed and it is based on very fragmentary remains. |
Echinoidea
Genus | Species | Location | Material | Notes | Images |
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|
Specimens |
A sea urchin of the family Cidaridae. Common on several layers. Cidaris is genus that still alive today. A bottom dweller, is commonly found associated with Belemnnite fossils, probably due to eating its carcasses. |
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|
|
Specimens |
A sea urchin of the family Pedinidae. It is the most common sea urchin in the formation, present on all the levels with specimens of various sizes. Vinculated to sea bottom sediments, before Gasteropods and Bivalves, Diademospsis was the third major colonizer of the bottom, in between anoxic changes. |
||
|
|
Specimens |
A sea urchin of the family Pedinidae |
||
|
|
Specimens |
A sea urchin of the family Diadematidae |
||
|
|
Specimens |
A sea urchin of the family Pseudodiadematidae |
||
|
|
Specimens |
A sea urchin of the family Miocidaridae |
Holothuroidea
Genus | Species | Location | Material | Notes | Images |
---|---|---|---|---|---|
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|
Specimens |
A sea cucumber of the family Chiridotidae. It is the only major genus of Sea Cucumbers reported locally on the Posidonienschiefer. It was identified originally as Chirodonta mesoliasicus and Chirodonta heptalmorpha. Represents a possible cosmopolitan holothurian that occupied all three types of deep-sea ecosystems as an organic-enrichment opportunist. |
||
|
|
Specimens |
A sea cucumber of the family Achistridae inside Apodida. The "fishhooks" from this genus are only rarely found in the tenuicostatum zone |
||
|
|
Specimens |
A sea cucumber of the family Stichopitidae. Occurs sporadically in non-bituminous sediments of the upper bifrons zone |
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|
|
Specimens |
A sea cucumber of the family Calclamnidae inside Dendrochirotida. A Genus whose identification was originally complex. |
Crinoidea
Genus | Species | Location | Material | Notes | Images |
---|---|---|---|---|---|
|
|
Isolated Stems |
A Crinoidean of the family Plicatocrinidae. |
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|
|
Exceptionally well preserved individual with the arms,pinnules and cirri largely Intact |
A Crinoidean of the family Isocrinida. This Benthic Crinoid clearly represents an exotic elementement of the typical Posidonia fauna, likely moved from the coastal settings |
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|
The largest known Crinoidean, from the family Pentacrinitidae. Among the tallest animals of its period, Seirocrinus is also one of the most famous fossils from the Sachrang Formation. It consists of fossils of colonies along large wood trunks, with specimens up to 14 m long, with the largest specimen reaching 26 m long, what makes it among the tallest know Mesozoic organisms, one of the largest invertebrates know on the fossil record and one of the tallest know animals.[184] It was an open ocean organism that lived in rafting woods, probably filtering food and serving as a refuge for other animals, such as ammonites. The crinoids had a large colonization process, based on the status of the fossil wood found.[185] The large rafts were the home for a high variety of marine organisms, such as Balanoideans, Ammonites and other. It has been estimated that without the presence of modern raft wood predators (that appeared on the Bathonian) those rafts can last up to 5 years, being that the main reason the crinoids were able to reach such huge sizes. The large rafts were also probably essential to distribute animals along the Early Jurassic Seas.[186] |
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Type genus of Crinoidean from the family Pentacrinitidae. Like Seirocrinus, Pentacrinites formed colonies on rafting wood, getting a different role than bigger crinoid and appearing on the first stages of the decomposition of the rafting wood. Was a smaller genus, with specimens of no more than 1 meter long, usually measuring 40–70 cm. |
Vertebrata
Fishes
Chondrichthyes
Genus | Species | Location | Material | Notes | Images |
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Teeth |
Thype shark of the family Synechodontiformes. |
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Articulated vertebral column, girdles, both fin spines and clasper organ |
A member of the family Palaeospinacidae. |
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|
Anterior part of body with basicranium, palatoquadrates, Meckel's cartilage, ceratohyals, epihyals, teeth, traces of the branchial arches and the anterior finspine |
Type member of the family Palaeospinacidae. |
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|
|
Meckelian Cartilages, Jaws, teeth, Palatoquadrates, placoid scales and dearticualted parts of the labial, hyoid and branchial skeleton. |
A shark of the family Hybodontidae. The Type specimen belongs to a large hybodontid, with an estimated total length of up to 3 m.[191] It has a Meckelian Cartilage more robust than Hybodus hauffianus and an acrodontine dentition, as seen on Bdellodus.[191] Probably is related with "Hybodus" delabechei, very likely a junior synonym of Crassodus.[191] |
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|
|
Teeth. |
A shark of the family Hybodontidae. An aberrant hybodontid with crushing dentition. |
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Type genus of the family Hybodontidae. It is the most abundant shark on the layers of the Sachrang Formation, with some of the best preserved specimens of the genus known. It was probably an open ocean hunter, with small horns over the eyes. With a size around 2 m, it was also one of the largest representatives of the Chondrichthyes on the formation.[195] |
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Type genus of the family Acrodontidae. |
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Pseudonotidanus[196] |
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|
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A shark of the family Hexanchiformes. It was identified originally as a member of the genus Palaeospinax. |
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A member of Callorhynchidae inside Chimaeriformes. Similar to Callorhinchus, among the oldest known of its type. It the first Modern lineage Chimaeras from the Toarcian. |
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Head and postcranial remains |
A member of Myriacanthidae inside Chimaeriformes. An aberrant Chimaera with an extrange elongated nose and horns over the skull. |
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|
A member of Myriacanthidae inside Chimaeriformes. An aberrant Chimaera with a second jaw-like structure on its head. |
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Isolated Fin Spine |
A member of Myriacanthidae inside Chimaeriformes. |
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SMNS 52666, Incomplete Specimen |
A possible member of Rajidae inside Batoidea. It was originally identified as a member of Galeiformes. This Genus was found to be sister taxa to the extant genus Raja. It is probably the oldest described pelagic Rajiform. It wears an enlogated rostrum. |
Actinopterygii
Genus | Species | Location | Material | Notes | Images |
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Complete Specimen |
First ganoin-scaled Ophiopsiformes (Halecomorphi) from the Posidonienschiefer. The type specimen measures 51 cm, and has elongated and serrated body scales before the dorsal fin and tiny ganoid scales after it.[203] |
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Nearly complete specimen with broken skull |
First ganoin-scaled Ophiopsiformes (Halecomorphi) from the Posidonienschiefer. Elongated morphology, with a length of ~39 cm, covered by smooth, massive ganoin scales.[203] |
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A member of the family Furidae inside Ionoscopiformes |
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|
|
Various Complete and nearly complete Specimens |
Type genus of the family Caturidae inside Amiiformes |
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A possible representative of the family Saurichthyidae. Is based on rather fragmentary specimens. |
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The youngest representative of the family Saurichthyidae, known for its large jaws, similar to modern Belonidae. |
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|
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Type genus of the family Ptycholepididae inside Ptycholepiformes. It is one of the youngest representatives of its family. |
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A member of the family Pholidophoridae. Is among the most abundant fishes on the late liassic of Europe, present on the sub-Mediterranean boreal, with specimens of several sizes. |
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A member of the family Leptolepididae. The most common member of its family, Leptolepis is commonly associated with crustaceans and small marine invertebrates, probably the main constituents of its diet. One on the most predated vertebrates on the formation, with abundance of larger fishes and reptiles with specimens associated. |
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|
MB. f.7612, nearly complete specimen. |
A member of the family Leptolepididae. Was identified as Paraleptolepis, but this name is currently occupied by a Japanese fish genus of Early Cretaceous age.[210] It differs from Leptolepis coryphaenoides in the presence of a few autapomorphies and also in the retention of several primitive features not present on the last one.[209] Small genus, of about 14 cm length.[209] |
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A member of the family Pachycormidae. |
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A member of the family Pachycormidae. Large representative of the family, reaching sizes up to 2.3 m. |
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Type member of the family Pachycormidae. Large representative of its family, with a size up to 1.5 m. One specimen preserved the alimentary canal, with the stomach filled by numerous hooklets that can be referred to the coleoid cephalopod Phragmoteuthis, implying a diet of cephalopods for this genus.[214] |
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A large member of the family Pachycormidae. |
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Ohmdenia[216] |
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|
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A large member of the family Pachycormidae, with a length of up to 2.5–3 m and an estimated weight over 200 kg.[216] |
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A deep-bodied neopterygian, the type genus of the family Dapediidae. Unpublished material indicates the presence of one or even two more still undescribed species of Dapedium in the Lower Toarcian.[218] A specimen of Lytoceras has a Dapedium sp. in the body chamber probably trapped when feeding on the carcass of the cephalopod, and may therefore indicate an opportunistic carrion feeder.[219] |
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|
A deep-bodied neopterygian of the family Dapediidae. |
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A common member of the Lepisosteiformes. |
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Strongylosteus[221] |
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|
|
A large member of the Chondrosteidae and the largest non-reptilian marine vertebrate of the Sachrang Formation, with a size between 3 and 4.5 m, and an estimated weight over 800 kg to 1 tonne.[221] |
Sarcopterygii
Genus | Species | Location | Material | Notes | Images |
---|---|---|---|---|---|
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|
A large coelacanth of the family Mawsoniidae, related to the genera Axelrodichthys, Chinlea, Diplurus and the type, Mawsonia.[223] The largest specimen known from the Sachrang Formation is GPIT.OS.770 (Holotype), with a length over 1.6 m.[222] The specimen presents an ossified lung inside the abdominal cavity, and most of the body, being also one of the most complete coelacanths of the Jurassic found.[222][223] Trachymetopon precedes the presence of the family Mawsoniidae in Europe by about 120 Ma and the northernmost occurrence of a member of the group, implying an extensive geographical range during the Early Jurassic.[223] Due to the specimens being found on pelagic deposits suggest that probably was an open ocean swimmer.[222][223] |
Amniota
Ichthyosauria
Inderminate specimens are known.[7][40][44][46]
Genus | Species | Location | Material | Notes | Images |
---|---|---|---|---|---|
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Type genus of the family Temnodontosauridae. A large macroraptorial ichthyosaur, apex predator of its environment. It ranges between 9 and the 12 m, being one of the largest known ichthyosaurs, characterized by skulls and jaws over 1 m in length, with the largest being over 1.9 m long. It has been found with fragments of young icthyosaur in his stomach.[226] |
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A possible member of the family Leptonectidae. Mostly of the specimens of this genus have been referred to Leptonectes or Temnodontosaurus, although some remains on the Posidonienschiefer are too complex to being clearly referred. |
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An Ichthyosaur of the family Stenopterygiidae. Magnipterygius may not have grown to a total length of much more than 120 cm. It is therefore potentially only the second post-Triassic ichthyosaur known with such a small body size |
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Type genus of the family Stenopterygiidae. A common Toarcian ichthyosaur, present in multiple layers. The rather exquisite level of preservation has led to know even the coloration, that exposes a clear countershading, with an upper part being more obscure than the lower, similar to modern killer whales, the Heaviside's dolphin or the Dall's porpoise. There is also evidence of changes in color with ontogenic changes, going from dark juveniles to countershaded adults. The skin was flexible & scaleless, as in dolphins.[231] The study of several specimens has revelated that Stenopterygius quadriscissus underwent a size-related trophic niche shift through ontogeny, shifting from a piscivorous diet to a teuthophagous diet, known thanks to exquisitely preserved stomach contents.[232] |
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Type genus of the family Suevoleviathanidae. Includes specimens up to 4 m long. |
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Complete Specimens |
Small sized ichthyosaur, probably a member of Parvipelvia, sister group to Stenopterygius + Ophthalmosauridae. A small- to mid-sized ichthyosaur, 2–3 m in length, with a relatively short and slender antorbital rostrum.[235] |
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A large ichthyosaur of the family Leptonectidae with convergent evolution with modern swordfish. Like these fishes, Eurhinosaurus is believed to be a fast swimming predator, able to hunt fish schools on same way. Large specimens of up to 6 m are known. |
Plesiosauria
Genus | Species | Location | Material | Notes | Images |
---|---|---|---|---|---|
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An indeterminate plesiosauroid plesiosaur. An impressively preserved immature specimen, different from Hydrorion brachypterygius and Seeleyosaurus guilelmiimperatoris, the most abundant plesiosaurs found locally, and its anatomical characters suggest it represents a new genus.[238] It fossilized buff-coloured material, identified as mainly composed of calcium phosphate and interpreted as phosphatised muscle tissues.[238] It also contains eumelanin and hence possibly corresponds to areas dark-coloured in life.[238] The stomach contains quartz grains that were most likely ingested during the animal's life, maybe used for food trituration. This gastroliths have importance for its exotic provenance compared with the surrounding lithology of the deposits (mostly shale), and as sandy turbidites have never been reported from the SW German Basin, the individual may have acquired the sand-sized grains many kilometres away from the burial site.[238] Strata containing fine sand ('Glaukonit und viel Feinsand') at Obereggenen im Breisgau (western side of the Black Forest between Freiburg and Basel), 200 km from Holzmaden suggest a nearshore deposit was allocated here, and that the black forest emerged at this time. Probably this young specimen reached that location in search for gastroliths.[238] |
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Complete Specimen. |
A basal Plesiosaur that has been linked with Cryptoclididae. It is one of the smallest from the Posidonia, with a complete skeleton measuring less than 2.5 m. It is considered a possible junior synonym of Seeleyosaurus. |
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A Plesiosaur of the family Microcleididae. It was named originally "Plesiosaurus guilelmiimperatoris". It was a moderate‐sized plesiosauroid, measuring up to 3,5 m in length with a skull length of 170 mm. |
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Type member of the Plesiosaur family Microcleididae. Small Plesiosaur, with a length of less than three metres. It is characterised by a really elongated neck, and was probably an ichthyophagous form that occurred rarely in the Posidonienschiefer fauna. |
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|
|
A junior synonym of M. brachypterygius.[238] |
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|
|
Nearly complete specimen. |
A Rhomaleosauridae Plesiosaur. Its detailed fossils have helped to study plesiosaur movement. |
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|
Complete specimen. |
A basal member of Pliosauridae. A moderately sized (3.4 m) Pliosaurid, ecologically adapted to fish hunt, as has been observed due to comparing the long snouted skull with that of Peloneustes, Gharial Crocodiles or Dolphins.[244] |
Sphenodontia
Genus | Species | Location | Material | Notes | Images |
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An aquatic sphenodont of the family Pleurosauridae. Palaeopleurosaurus evidences that there was a slightly skeletal specialization for an aquatic lifestyle, achieved through the Jurassic gradually on pleurosaurs.[245] Recent studies suggest a shorter lifespan than modern Tuatara, based on irregular spacing of growth marks.[246] |
Testudinata
Genus | Species | Location | Material | Notes | Images |
---|---|---|---|---|---|
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A marine turtle of the superfamily Eurysternidae inside Thalassochelydia. Is the main formally identified fossil as Turtle from the Sachrang Formation, representing a rather basal genus. The pleurals resemble those of the genus Plesiochelys.[247] Being found in the zone of Franconia that on the Toarcian was at -80 km from the shore can suggest that early marine turtles lived in the epicontinental waters of the European shallow seas before reach richer ecosystem diversity on the Late Jurassic.[247] This would explain the serious lack of Turtle fossils on the formation, as mostly of the deposits are located far from the coast.[247] |
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A marine turtle of the clade Thalassochelydia inside Angolachelonia. The only testudine identified from the northern realm of the Sachrang Formation.[248] |
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Possible unclassified testudine remains. Münster (1834) cited: "there were also rare things at the quarries of Altdorf, among other remains there were ones of a turtle on lias limestone"". The remains are not catalogued and some specimens are in Private Collections.[251] |
Crocodylomorpha
Genus | Species | Location | Material | Notes | Images |
---|---|---|---|---|---|
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A Longirostrine Thalattosuchian, the most basal know. Was considered synonymous with Steneosaurus. Longirostrine specialist, probably active fish hunter. |
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A longirostrine thalattosuchian of the family Machimosauridae. Was considered synonymous with Steneosaurus until in 2020 this last was recovered as invalid. It reached large sizes, with specimens exceeding 5 m, being a generalist predator.[252] |
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A mesorostrine thalattosuchian of the family Teleosauridae. A marine crocodylomorph with a diet probably based on fish. Was considered synonymous with Steneosaurus until recently.[255] Due to this unusual placement of the external nares, Mystriosaurus was more terrestrial, or spent a greater amount of time on land, than other teleosauroids. This would explain its greater presence in zones of the formation more proximal to the emerged landmasses. Its morphology suggest it was a mesorostrine generalist.[255] |
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A longirostrine thalattosuchian of the family Teleosauridae. Platysuchus was slightly more robust than its contemporaneous relatives, being probably adapted to hunt more voluminous fish. A heavily armoured, semi-terrestrial longirostrine generalist form, indicated by the extensive and tightly packed rows of dorsal osteoderms.[252] |
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A thalattosuchian with a complex assignation, probably the basalmost metriorhynchoid. Pelagosaurus typus was a small-bodied thalattosuchian (∼1 m in length) considered to be an adept aquatic pursuit predator, with a long streamlined snout ideal for snapping at fast moving prey (one specimen was found with Leptolepis fishes inside) and large, anterolaterally placed orbits for increased visual acuity.[256] |
Pterosauria
Genus | Species | Location | Material | Notes | Images |
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A Novialoidean Pterosaur, type genus of the family Campylognathoidea. Mark Witton suggests the construction of Campylognathoides' extremely robust forelimbs, with proportionally long wing fingers, could be a specialization for a fast aerial lifestyle comparable to those of Falcons and mastiff bats, being more probably an insect & vertebrate hunter and living on nearshore environments. |
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|
|
Pelvis and several vertebrae. |
A Novialoidean Pterosaur, probably a member of the family Campylognathoidea. Has been assigned to the genus Campylognathoides, although it is clearly different than any other pterosaur from the Sachrang Formation.[36] The name "Schandelopterus" is invalid and lacks any study, assigned without species to refer to the specimen on private German Fossil Groups. The pelvis indicates a laterally, slightly upwardly directed orientation of the acetabula which does not support a bird-like bipedal locomotion of this pterosaur as has been suggested on the past.[36] |
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|
|
Skull |
A Rhamphorhynchinae Pterosaur. Has been assigned to the genus Dorygnathus. It has a really complete skull that can help to explain the status of the genus Parapsicephalus.[259] |
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|
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A Rhamphorhynchinae Pterosaur. It is one of the best known Early Jurassic Pterosaurs.[260] Unlike Campylognthoides, Dorygnathus was an oceanic hunter, with teeth disposed to catch marine prey, such as Belemnittes and several species of fishes. Dorygnathus mistelgauensis is considered a junior synonym until more data can be recovered from the specimen, held on a private collection.[260] |
Saurischia
Genus | Species | Location | Material | Notes | Images |
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3 cm long, tooth-studded fragment of a lower jaw |
An indeterminate possible Sauropodomorph dinosaur, possibly a member of Sauropodiformes inside Anchisauria (Resemble Yunnanosaurus teeth).[265] The Fossil was reported from the Lias Epsilon level, that on Oedhof is occupied by the Sachrang Formation.[265] It was found with abundant Plant debris and Belemnite remains.[265] Hasn't been revised since 1956 |
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Tibia and astragalus |
A Gravisaurian Sauropod. One of the few formally described from the Toarcian. Was confused as a Plesiosaur bone.[266] |
References
- ^ a b Hess, H. (1999). "Lower Jurassic Posidonia Shale of Southern Germany" (PDF). Fossil Crinoids. 3 (1): 183–196. doi:10.1017/CBO9780511626159.025. ISBN 9780521450249. Retrieved 3 March 2022.
- ^ a b Martill, D. M. (1993). "Soupy substrates: a medium for the exceptional preservation of ichthyosaurs of the Posidonia Shale (Lower Jurassic) of Germany" (PDF). Kaupia. 2 (1): 77–97. Retrieved 3 March 2022.
- ^ Schmid–Röhl, A.; Röhl, H. J. (2003). "Overgrowth on ammonite conchs: environmental implications for the Lower Toarcian Posidonia Shale". Palaeontology. 46 (2): 339–352. doi:10.1111/1475-4983.00302. Retrieved 3 March 2022.
- ^ a b c d e f g h i j k Böhm, F.; Brachert, T. C. (1993). "Deep-water stromatolites and Frutexites Maslov from the early and Middle Jurassic of S-Germany and Austria". Facies. 28 (1): 145–168. doi:10.1007/bf02539734. S2CID 129365360. Retrieved 2 March 2022.
- ^ a b c d e f g h i j k l m n o p q r s Riegraf, W (1985). "Mikrofauna, Biostratigraphie, und Fazies im Unteren Toarcium Südwestdeutschlands und Vergleiche mit benachbarten Gebieten". Tübinger Mikropaläontologische Mitteilungen. 3 (1): 1–232.
- ^ a b c d e f g h i j k l m n o p q r s t u Ebli, O. (1989). "Foraminiferen und Coccolithen aus den Lias-Epsilon-Schiefern der Unkener Mulde (Tirolikum, Nördliche Kalkalpen)" (PDF). Mitt. Bayer. Staatsslg. Paläont. Hist. Geol. 29 (1): 61–83. Retrieved 3 March 2022.
- ^ a b c d e f g h i j k l m n o Riegraf, W. (1985). "Biostratigraphie, Fauna und Mikropaläontologie des Untertoarcium-Profiles von Unterstürmig (Oberfranken, Süddeutschland)". Geologische Blätter für Nordost-Bayern. 34 (1): 241–272. Retrieved 20 February 2022.
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