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''[[Germanonautilus|Germanonautilus warthi]]''<ref>{{Cite journal|last=Schweigert |first=G. |title=First record of ''Germanonautilus'' Spath, 1927 (Cephalopoda: Nautiloidea) from the Lower Jurassic (Pliensbachian) of SW Germany and its implications for the phylogeny of post-Triassic nautilids |year=2023 |journal=Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen |volume=308 |issue=1 |pages=79–89 |doi=10.1127/njgpa/2023/1131 }}</ref>
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Revision as of 18:09, 9 May 2023

List of years in paleomalacology
In science
2020
2021
2022
2023
2024
2025
2026
In paleontology
2020
2021
2022
2023
2024
2025
2026
In paleomammalogy
2020
2021
2022
2023
2024
2025
2026
In paleobotany
2020
2021
2022
2023
2024
2025
2026
In arthropod paleontology
2020
2021
2022
2023
2024
2025
2026
In paleoentomology
2020
2021
2022
2023
2024
2025
2026
In paleoichthyology
2020
2021
2022
2023
2024
2025
2026
In reptile paleontology
2020
2021
2022
2023
2024
2025
2026
In archosaur paleontology
2020
2021
2022
2023
2024
2025
2026

This list of fossil molluscs described in 2023 is a list of new taxa of fossil molluscs that were described during the year 2023, as well as other significant discoveries and events related to molluscan paleontology that occurred in 2023.

Ammonites

Name Novelty Status Authors Age Type locality Location Notes Images

Ammonellipsites infirmus[1]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Aulatornoceras beyrichi[2]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Australopseudothurmannia[3]

Gen. et sp. nov

Marin, Aguirre-Urreta & Rawson

Early Cretaceous

 Argentina

Genus includes new species A. flexuosa.

Bollandoceras antecedens[1]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Buedesheimites[2]

Gen. et sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Genus includes new species B. housei. Announced in 2022; the final article version was published in 2023.

Costiphylloceras limayense[4]

Sp. nov

Valid

Joly, Parent & Garrido

Middle Jurassic (Aalenian)

Los Molles Formation

 Argentina

A member of the family Phylloceratidae.

Crassotornoceras tenue[2]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Cryptomorphiceras[5]

Gen. et comb. et 2 sp. nov

Valid

Marchesi, Balini & Jenks

Late Triassic (Carnian)

 United States
( Nevada)

A member of Trachyceratinae. The type species is C. compressum (Johnston, 1941); genus also includes new species C. crassum, and C. levicostatum. Announced in 2022; the final article version was published in 2023.

Hammatocyclus rugosus[1]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Idahocolumbites phatthalungensis[6] Sp. nov. Valid Thongterm & Shigeta in Thongterm et al. Triassic

(Spathian)

Chaiburi formation  Thailand A member of Ceratitida belonging to the family Columbitidae.

Linguatornoceras acutilobatum[2]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Linguatornoceras sandense[2]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Merocanites parvevolutus[1]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Muensteroceras rectilineum[1]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Paraemericiceras[3]

Gen. et sp. nov

Marin, Aguirre-Urreta & Rawson

Early Cretaceous

 Argentina

Genus includes new species P. argentinense.

Plesechioceras rochai[7]

Sp. nov

Valid

Vitón et al.

Early Jurassic (Sinemurian)

 Portugal

Rotopericyclus saourensis[1]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Tornoceras incisum[2]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Tornoceras ventrovaricatum[2]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Vutacuracrioceras[3]

Gen. et comb. nov

Marin, Aguirre-Urreta & Rawson

Early Cretaceous

 Argentina

A new genus for "Paraspiticeras" groeberi Aguirre-Urreta (1993).

Ammonite research

  • A study on the swimming capabilities of ammonites, aiming to determine hydrodynamic costs and advantages provided by different conch geometries, is published by Ritterbush & Hebdon (2023).[8]
  • Shigeta & Maeda (2023) describe new fossil material of ammonites from the Maastrichtian Krasnoyarka Formation (Sakhalin, Russia), including fossils of Zelandites varuna, Gaudryceras seymouriense, Pachydiscus subcompressus and Anagaudryceras mikobokense, and interpret the presence of these species as indicative of the influx of immigrant ammonite species into the Northwest Pacific region during late Maastrichtian, which might have been associated with cooling after the greenhouse Middle Maastrichtian Event.[9]

Other cephalopods

Name Novelty Status Authors Age Type locality Location Notes Images

Aphelaeceras validum[1]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Germanonautilus warthi[10]

Sp. nov

Valid

Schweigert

Early Jurassic (Pliensbachian)

Numismalismergel Formation

 Germany

Other cephalopod research

  • A study on the phylogenetic relationships of belemnites is published by Stevens et al. (2023).[11]
  • A study aiming to determine the metabolic rates of ammonites and nautiloid cephalopods living at the end of the Cretaceous is published by Tajika et al. (2023), who find that the nautiloid Eutrephoceras had a lower metabolic rate than co-occurring ammonites, and argue that the lower metabolic rate in nautiloids might have been an advantage during the Cretaceous–Paleogene extinction event.[12]

Bivalves

Name Novelty Status Authors Age Type locality Location Notes Images

Acharax frenademezi[13]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Solemyidae.

Bakevellia (Bakevellia) preromangica[13]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Bakevelliidae.

Edmondia hautmanni[13]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Edmondiidae.

Etheripecten stuflesseri[13]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of Pectinida belonging to the family Heteropectinidae.

Gardenapecten[13]

Gen. et comb. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of Pectinida belonging to the superfamily Aviculopectinoidea and the family Asoellidae. The type species is "Pecten (Aviculopecten)" trinkeri Stache (1878); genus also includes "Pecten (Aviculopecten)" comelicanus Stache (1878).

Ladinomya[13]

Gen. et sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the superfamily Trigonioidea, the type genus of the new family Ladinomyidae. The type species is L. fosteri.

Lovaralucina[13]

Gen. et sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Lucinidae. The type species is L. covidi.

Meleagrinella golberti[14]

Sp. nov

Valid

Lutikov & Arp

Early Jurassic (Toarcian)

 Canada
 Germany
 Russia
 United Kingdom

A member of the family Oxytomidae. Published online in 2023, but the issue date is listed as December 2022.[14]

Meleagrinella prima[14]

Sp. nov

Valid

Lutikov in Lutikov & Arp

Early Jurassic (Toarcian)

 Russia

A member of the family Oxytomidae. Published online in 2023, but the issue date is listed as December 2022.[14]

Pachytraga carpathica[15]

Sp. nov

Masse, Fenerci-Masse & Bucur

Early Cretaceous (Barremian)

 Romania

A rudist bivalve belonging to the family Caprinidae.

Palaeolima badiotica[13]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Limidae.

Promytilus merlai[13]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Mytilidae.

Streblopteria gracilicosta[16]

Sp. nov

Valid

Biakov

Permian

 Russia

A member of Pectinida belonging to the family Streblochondriidae.

Streblopteria parenensis[16]

Sp. nov

Valid

Biakov

Permian

 Russia

A member of Pectinida belonging to the family Streblochondriidae.

Tambanella? stetteneckensis[13]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Bakevelliidae.

Volsellina carinata[13]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Mytilidae.

Yuexiconcha[17]

Gen. et sp. nov

Valid

Zhang, Niu & Johnston in Niu et al.

Ordovician

Dongchong Formation

 China

A member of Protobranchia, possibly belonging to the family Nuculidae. The type species is Y. duplicata.

Bivalve research

Gastropods

Name Novelty Status Authors Age Type locality Location Notes Images

Akburunella laminaris[18]

Sp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[18]

Akburunella nefanda archaica[18]

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[18]

Akburunella sinuosa[18]

Sp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[18]

Akburunella spinosa[18]

Sp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[18]

Brachystomia succineiformis[18]

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Brachystomia. Published online in 2023, but the issue date is listed as December 2022.[18]

Calagrassor mathiasi[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Calagrassor.

Calliostoma nandori[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Calliostoma.

Cirsotrema kokayi[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Cirsotrema.

Clanculus s. l. gulyasi[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A member of the family Trochidae.

Clavatula s. l. barnabasi[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A member of the family Clavatulidae.

Clavatula s. l. istvani[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A member of the family Clavatulidae.

Conotomaria dovilleae[20]

Sp. nov

Valid

Chaix & Grenier

Late Cretaceous (Campanian)

 France

A member of the family Pleurotomariidae.

Conotomaria pilonae[20]

Sp. nov

Valid

Chaix & Grenier

Late Cretaceous (Campanian)

 France

A member of the family Pleurotomariidae.

Cornirostra anistratenkorum umbilicaris[18]

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[18]

Cossmannina australis[21]

Sp. nov

Ferrari

Early Jurassic (Pliensbachian)

Lepá Formation

 Argentina

A member of Acteonoidea belonging to the family Tubiferidae.

Cylindrobullina caquelensis[21]

Sp. nov

Ferrari

Early Jurassic (Pliensbachian)

Lepá Formation

 Argentina

A member of Acteonoidea belonging to the family Cylindrobullinidae.

Dentimargo barnai[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Dentimargo.

Edrozeba[18]

Gen. et 4 sp. et comb. nov

Valid

Guzhov

Miocene

 Russia

A member of the family Hydrobiidae. The type species is E. caeca; genus also includes new species E. angulata, E. minuta and E. striata, as well as "Hydrobia" enikalensis Kolesnikov (1935). Published online in 2023, but the issue date is listed as December 2022.[18]

Ellobium kerwaense[22]

Sp. nov

Valid

Harzhauser, Pacaud & Landau

Oligocene (Chattian)

Mány Formation

 Hungary

A species of Ellobium.

Eoellobium[22]

Gen. et comb. nov

Valid

Harzhauser, Pacaud & Landau

Eocene (Bartonian)

 France

A member of the family Ellobiidae. The type species is "Auricula" heberti Vasseur (1881); genus also includes "Melampus" britannus Vasseur (1882) and "Auricula" simplex Cossmann (1895).

Gibbula kralli[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Gibbula.

Hydrobia neofrauenfeldi[18]

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Hydrobia. Published online in 2023, but the issue date is listed as December 2022.[18]

Leucotina costata[23]

Sp. nov

Valid

Guzhov

Miocene

A species of Leucotina

Leucotina excussa[23]

Sp. nov

Valid

Guzhov

Miocene

A species of Leucotina

Leucotina ovata[23]

Sp. nov

Valid

Guzhov

Miocene

A species of Leucotina

Leucotina ovatoides[23]

Sp. nov

Valid

Guzhov

Miocene

A species of Leucotina

Ocinebrina deaki[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Ocinebrina.

Odostomia caucasica[18]

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Odostomia. Published online in 2023, but the issue date is listed as December 2022.[18]

Ormastralium erazmusi[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A member of the family Turbinidae.

Palmoliva[24]

Gen. et comb. nov

Valid

Allmon & Friend

Eocene

 United States

A member of the family Ancillariidae. Genus includes "Ancillaria" tenera Conrad and Ancillaria scamba Conrad.

Patagorbitestella leonensis[25]

Sp. nov

Valid

Di Luca, Griffin & Pastorino

Miocene

Monte León Formation

 Argentina

A member of the family Orbitestellidae.

Pomatiasia[18]

Gen. et comb. nov

Valid

Guzhov

Miocene

 Russia

A member of the family Hydrobiidae. Genus includes "Amnicola" cyclostomoides Sinzov (1880). Published online in 2023, but the issue date is listed as December 2022.[18]

Probaicalia okurai[26]

Sp. nov

In press

Isaji

Early Cretaceous (Barremian)

Itsuki Formation

 Japan

Pustulosia[27]

Gen. et comb. nov

Valid

Harzhauser, Guzhov & Landau

Miocene

 Ukraine

A member of the family Batillariidae. The type species is "Cerithium" submitrale Eichwald (1851); genus also includes "Cerithium" hornense Schaffer (1912).

Ringicula costata chokrakensis[28]

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[28]

Ringicula costata paratethica[28]

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[28]

Ringicula subglobosa[28]

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Ringicula. Published online in 2023, but the issue date is listed as December 2022.[28]

Rissoa federicoi[29]

Nom. nov

Valid

Kovács & Stein

Miocene

Vienna Basin

 Austria

A species of Rissoa; a replacement name for Rissoia (Turboella) acuticosta Sacco (1895).

Sconsia landaui[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Sconsia.

Solatisonax pozsgayae[19]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Solatisonax.

Sulcoactaeon fallax[30]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon gerassimovi[30]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon insuetus[30]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon kremenkensis[30]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon polivnensis[30]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon rotundus[30]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon shumilkini[30]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon simbirskensis[30]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Theodisca[27]

Gen. et comb. nov

Harzhauser, Guzhov & Landau

Miocene to Pleistocene

 Austria

A member of the family Potamididae. The type species is "Cerithium" theodiscum Rolle (1856); genus also includes "Cerithium" cicur Zhizhchenko (1934), "Potamides" biseriatus Friedberg (1914), "Potamides" azerbajdjanicus K. A. Ali-Zade (1940), "Cerithium" graecum Deshayes (1832) and "Cerithium" etruscum Mayer (1864). The generic name is shared with Theodisca Müller (1858).

Turritellinella devinensis[31]

Sp. nov

Valid

Biskupič

Miocene

Studienka Formation

 Slovakia

A member of the family Turritellidae.

Gastropod research

Other molluscs

Name Novelty Status Authors Age Type locality Location Notes Images

Incisiochiton pustulifer[33]

Sp. nov

Valid

Sirenko & Dell'Angelo

Paleocene

Luzanovka Beds

 Ukraine

A chiton belonging to the family Schizochitonidae.

Other mollusc research

  • Qiang et al. (2023) describe new fossil material of Anabarella plana from the Cambrian Yanjiahe Formation (China), and consider A. plana to be the only member of the genus Anabarella definitely present in South China.[34]

General research

  • Slater (2023) describes microscopic molluscan radulae from the Cambrian (Wuliuan) Borgholm Formation (Sweden), similar to the radulae of extant gastropods specialized for piercing and sucking the tissues of green algae, and interpret this finding as indicating that this form of herbivory was already present among Cambrian molluscs.[35]
  • A diverse molluscan assemblage dominated by turritellid gastropods from Kachchh (India), originally interpreted as Late Jurassic in age, is reinterpreted as more likely Miocene in age by Fürsich et al. (2023).[36]

References

  1. ^ a b c d e f g Zohara Malti, F.; Nemyrovska, T. I.; Ameur, M.; Korn, D. (2022). "Lithostratigraphy, conodont and ammonoid stratigraphy of the Hassi Sguilma Formation (Early Carboniferous; Saoura Valley, Algeria)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 307 (2): 155–199. doi:10.1127/njgpa/2023/1121.
  2. ^ a b c d e f g Söte, T.; Becker, R. T. (2022). "Upper Frasnian ammonoids (Tornoceratidae) from Büdesheim (Eifel Mountains, Rhenish Massif, Germany)". Palaeontographica Abteilung A. 325 (1–6): 1–67. doi:10.1127/pala/2022/0136.
  3. ^ a b c Marin, L. S.; Aguirre-Urreta, B.; Rawson, P. F. (2023). "Lower Cretaceous ammonoids from the Neuquén Basin, Argentina: The late Hauterivian Paraspiticeras and associated faunas". Cretaceous Research. 145. 105478. doi:10.1016/j.cretres.2023.105478.
  4. ^ Joly, B.; Parent, H.; Garrido, A. C. (2023). "Aalenian phylloceratid ammonites from Picún Leufú, Neuquén Basin, Argentina". Revue de Paléobiologie, Genève. 42 (1): 143–148. doi:10.5281/zenodo.7446073.
  5. ^ Marchesi, R.; Balini, M.; Jenks, J. F. (2022). "Early Carnian ammonoids from China Mountain (Tobin Range, Nevada, USA)". Palaeontographica Abteilung A. 325 (1–6): 69–109. doi:10.1127/pala/2022/0130.
  6. ^ Thongterm, K.; Shigeta, Y.; Sardsud, A.; Asato, K.; Maekawa, T.; Haga, T.; Agematsu, S.; Sashida, K. (2023). "Olenekian (Early Triassic) ammonoids and conodonts from southern Thailand" (PDF). National Museum of Nature and Science Monographs. 54: 1–171.
  7. ^ Vitón, Í.; Comas-Rengifo, M. J.; Duarte, L. V.; Goy, A. (2023). "Ammonoids of the Oxynotum Zone and Raricostatum Zone (Densinodulum Subzone) of Sinemurian, Lower Jurassic, in the Asturian and Lusitanian basins". Historical Biology: An International Journal of Paleobiology. doi:10.1080/08912963.2022.2149333.
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