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List of years in paleoichthyology
In paleontology
2017
2018
2019
2020
2021
2022
2023
In science
2017
2018
2019
2020
2021
2022
2023
+...

This list of fossil fishes described in 2020 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes of every kind that were described during the year 2020, as well as other significant discoveries and events related to paleoichthyology that occurred in 2020.

New taxa

Jawless vertebrates

Name Novelty Status Authors Age Type locality Country Notes Images
Clavulaspis[1] Nom. nov Valid Elliott, Lassiter & Geyer Devonian (Givetian) Yahatinda Formation  Canada
( Alberta) 		A member of the family Pteraspididae; a replacement name for Helaspis Elliott et al. (2000).
Ecphymaspis[1] Gen. et comb. nov Valid Elliott, Lassiter & Geyer Devonian (Eifelian) Spring Mountain beds  United States
( Idaho) 		A member of the family Pteraspididae; a new genus for "Psephaspis" idahoensis Denison (1968).
Parathelodus liaokuoensis[2] Sp. nov Valid Cui et al. Devonian (Lochkovian) Xishancun

Xitun

 China A thelodont belonging to the family Coelolepidae. Announced in 2019; the final version of the article naming it was published in 2020.
Parathelodus wangi[2] Sp. nov Valid Cui et al. Devonian (Lochkovian) Xishancun

Xitun

 China A thelodont belonging to the family Coelolepidae. Announced in 2019; the final version of the article naming it was published in 2020.
Parathelodus xitunensis[2] Sp. nov Valid Cui et al. Devonian (Lochkovian) Xitun  China A thelodont belonging to the family Coelolepidae. Announced in 2019; the final version of the article naming it was published in 2020.
Rumporostralis[3] Gen. et comb. et sp. nov Valid Shan et al. Silurian (Telychian) Xikeng Formation  China A member of Galeaspida belonging to the group Eugaleaspiformes and the family Sinogaleaspidae. The type species is "Sinogaleaspis" xikengensis Pan & Wang (1980); genus also includes new species R. shipanensis.
Scutellaspis[1] Gen. et sp. nov Valid Elliott, Lassiter & Geyer Devonian (Eifelian) Spring Mountain beds  United States
( Idaho) 		A member of the family Pteraspididae. Genus includes new species S. wilsoni.

Placoderms

Name Novelty Status Authors Age Type locality Country Notes Images
Actinolepis zaikai[4] Sp. nov Valid Plax & Newman Devonian (Emsian) Lepel Beds  Belarus
Johannaspis[5] Gen. et comb. nov In press Vaškaninová Early Devonian Prague Basin  Czech Republic A homostiid arthrodire. Genus includes "Asterolepis" bohemicus Barrande (1872).
Stipatosteus[4] Gen. et sp. nov Valid Plax & Newman Devonian (Emsian) Lepel Beds  Belarus A phlyctaeniid arthrodire. Genus includes new species S. svidunovitchi.

Cartilaginous fishes

Name Novelty Status Authors Age Type locality Country Notes Images
Atlantitrygon[6] Gen. et comb. et sp. nov In press Sambou et al. Paleocene (Thanetian) and Eocene (Lutetian) Matam

 Niger
 Senegal
 Togo

A putative marine potamotrygonid. The type species is "Dasyatis" sudrei Cappetta (1972); genus also includes new species A. senegalensis.
Cretasquatina[7] Gen. et sp. nov Valid Maisey, Ehret & Denton Late Cretaceous (Campanian) Mooreville Chalk
Navesink Formation? 		 United States
( Alabama
 New Jersey?) 		A member of the family Squatinidae. The type species is C. americana.
Microtriftis[6] Gen. et sp. nov In press Sambou et al. Eocene (Ypresian to Lutetian) Matam  Senegal A dasyatoid of uncertain phylogenetic placement. Genus includes new species M. matami.

Odontorhytis priemi[6]

Sp. nov In press Sambou et al. Paleocene (Thanetian) and Eocene (Ypresian) Matam

 Mali
 Morocco
 Senegal
 Tunisia

A member of Neoselachii of uncertain phylogenetic placement

Sculptospina[8]

Gen. et sp. nov

In press

Lebedev in Lebedev, Ivanov & Linkevich

Devonian (Famennian)

 Russia
( Lipetsk Oblast)

A member of Ctenacanthiformes of uncertain phylogenetic placement. The type species is S. makhlaevi.

Taklamakanolepis[9] Gen. et sp. nov Andreev et al. Early Silurian Ymogantau  China A member of Mongolepidida. The type species is T. asiaticus.
Tielikewatielepis[9] Gen. et sp. nov Andreev et al. Early Silurian Tataertag

Ymogantau

 China A member of Mongolepidida. The type species is T. sinensis.
Xiaohaizilepis[9] Gen. et sp. nov Andreev et al. Early Silurian Tataertag

Ymogantau

 China A member of Mongolepidida. The type species is X. liui.
Yuanolepis[9] Gen. et sp. nov Andreev et al. Early Silurian Ymogantau  China A cartilaginous fish of uncertain phylogenetic placement. The type species is Y. bachunensis.

Ray-finned fishes

Name Novelty Status Authors Age Type locality Country Notes Images
Agassizilia[10] Gen. et sp. nov In press Cooper & Martill Cenomanian Kem Kem  Morocco Possibly a member of the family Pycnodontidae. The type species is A. erfoudina.
Altmuehlfuro[11] Gen. et sp. nov Valid Ebert Late Jurassic Solnhofen  Germany A member of Halecomorphi belonging to the group Ophiopsiformes. Genus includes new species A. boomerang.
Amakusaichthys[12] Gen. et sp. nov Valid Yabumoto, Hirose & Brito Late Cretaceous (Santonian) Hinoshima  Japan A member of Ichthyodectiformes. Genus includes new species A. goshouraensis. Announced in 2018; the final version of the article naming it was published in 2020.
Ampheristus americanus[13] Sp. nov Valid Schwarzhans & Stringer Late Cretaceous (Maastrichtian) and Paleocene (Danian) Clayton
Kemp Clay 		 United States
( Arkansas
 Texas) 		A cusk-eel.
Anguilla? chickasawae[14] Sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) and Paleocene (Danian)[13] Clayton[13]
Ripley 		 United States
( Arkansas[13]
 Mississippi) 		A member or a relative of the family Anguillidae
Apateodus crenellatus[14] Sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Owl Creek

Ripley

 United States
( Mississippi)
Ariopsis castilloensi[15] Sp. nov In press Aguilera & Rodriguez in Aguilera et al. Late Oligocene to early Miocene Castillo  Venezuela A species of Ariopsis.
Bagre ornatus[15] Sp. nov In press Aguilera & Rodriguez in Aguilera et al. Late Oligocene to early Miocene Castillo  Venezuela A species of Bagre.
Brachyplatystoma elbakyani[16] Sp. nov In press Agnolin & Bogan Late Miocene  Argentina A species of Brachyplatystoma
Burguklia minichorum[17] Sp. nov Valid Bakaev & Kogan Permian (Wordian–Capitanian)  Russia An early ray-finned fish. Announced in 2019; the final version of the article naming it was published in 2020.
Caucombrus[18] Gen. et sp. nov Valid Bannikov Early Oligocene Abkhazia
 Russia 		A member of the family Scombridae. Genus includes new species C. histiopterygius.
Chaychanus[19] Gen. et sp. nov Valid Cantalice Severiano, Alvarado Ortega & Bellwood Paleocene  Mexico A member of the family Pomacentridae. Genus includes new species C. gonzalezorum. Announced in 2019; the final version of the article naming it was published in 2020.
Choctawichthys[14] Gen. et comb. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Ripley  United States
( Mississippi) 		A member of Paracanthopterygii of uncertain phylogenetic placement. The type species is "genus Perciformorum" cepoloides Nolf & Dockery (1990).
Congrophichthus[13] Gen. et sp. nov Valid Schwarzhans & Stringer Late Cretaceous (late Campanian and Maastrichtian) and Paleocene (Danian) Clayton
Coffee Sand
Kemp Clay 		 United States
( Alabama
 Arkansas
 Mississippi
 Texas) 		A member of the family Congridae. The type species is C. transterminus.
Cowetaichthys carnevalei[14] Sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Ripley  United States
( Mississippi) 		A beardfish
Dakotaichthys[13] Gen. et sp. nov Valid Schwarzhans & Stringer Late Cretaceous (Maastrichtian) Fox Hills
Kemp Clay 		 United States
( North Dakota
 Texas) 		Possibly a member of the family Gadidae. The type species is D. hogansoni.
Ellimma longipectoralis[20] Sp. nov Valid Polck et al. Early Cretaceous (Aptian) Barra Velha Formation  Brazil A member of Clupeomorpha belonging to the group Ellimmichthyiformes and to the family Paraclupeidae. Announced in 2019; the final version of the article naming it was published in 2020.
Elongofuro[11] Gen. et sp. nov Valid Ebert Late Jurassic  Germany A member of Halecomorphi belonging to the group Ophiopsiformes. Genus includes new species E. woelflei.
Elopothrissus carsonsloani[13] Sp. nov Valid Schwarzhans & Stringer Paleocene (Danian) Clayton  United States
( Arkansas) 		A relative of the Japanese gissu.
Epaelops[21] Gen. et sp. nov In press Alves, Alvarado Ortega & Brito Early Cretaceous (Albian) Tlayúa  Mexico A member of Elopiformes. Genus includes new species E. martinezi. Announced in 2019; the final version of the article naming it is scheduled to be published in 2020.
Eutawichthys choctawae[14] Sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Kemp Clay[13]
Ripley 		 United States
( Mississippi
 Texas[13]) 		Probably a member of Beryciformes
Gregoriopycnodus[22] Gen. et comb. nov Valid Taverne, Capasso & Del Re Early Cretaceous (Albian)  Italy A member of the family Pycnodontidae. The type species is "Palaeobalistum" bassanii d'Erasmo (1914).
Heckelichthys preopercularis[23] Sp. nov In press Baños Rodríguez et al. Cretaceous (Albian–Cenomanian) El Doctor  Mexico A member of Ichthyodectiformes
Hiascoactinus[24] Gen. et sp. nov In press Kim et al. Late Triassic Amisan  South Korea A member of Redfieldiiformes. Genus includes new species H. boryeongensis. Announced in 2019; the final version of the article naming it is scheduled to be published in 2020.
Holzmadenfuro[25] Gen. et sp. nov Valid Ebert, Thies & Hauff Early Jurassic (Toarcian) Posidonia  Germany A member of Halecomorphi. Genus includes new species H. rebmanni.
Hoplopteryx langfordi[14] Sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Ripley  United States
( Mississippi)
Kokenichthys navis[14] Sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Owl Creek

Ripley

 United States
( Mississippi) 		A member of Osteoglossiformes of uncertain phylogenetic placement
Kradimus[26] Gen. et sp. nov Valid Veysey, Brito & Martill Late Cretaceous (Turonian) Akrabou Formation  Morocco A member of Crossognathiformes. Genus includes new species K. asflaensis. Announced in 2019; the final version of the article naming it was published in 2020.
Lebrunichthys[27] Gen. et sp. nov Valid Taverne & Capasso Late Cretaceous (Cenomanian)  Lebanon A member of Crossognathiformes belonging to the family Pachyrhizodontidae. The type species is L. nammourensis.
Louwoichthys[28] Gen. et sp. nov Valid Xu Middle Triassic (Anisian)  China A member of the stem group of Neopterygii. Genus includes new species L. pusillus.
Luganoia fortuna[29] Sp. nov In press Xu Middle Triassic (Ladinian) Falang  China
Megalops? nolfi[14] Sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Ripley  United States
( Mississippi) 		Probably member of the family Megalopidae
Monosmilus[30] Gen. et sp. nov Capobianco et al. Eocene (Lutetian) Domanda  Pakistan A stem-engraulid. The type species is M. chureloides.
Muraenanguilla unionensis[14] Sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Owl Creek

Ripley

 United States
( Mississippi) 		An eel of uncertain phylogenetic placement
Neoproscinetes africanus[10] Sp. nov In press Cooper & Martill Cenomanian Kem Kem  Morocco A member of the family Pycnodontidae
Ohmdenfuro[25] Gen. et sp. nov Valid Ebert, Thies & Hauff Early Jurassic (Toarcian) Posidonia  Germany A member of Halecomorphi. Genus includes new species O. bodmani.
Osmeroides mississippiensis[14] Sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Owl Creek

Ripley

 United States
( Mississippi)
Ossulcus[14] Gen. et sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Ripley  United States
( Mississippi) 		Probably a member of Beryciformes. The type species is O. labiatus.
Otolithopsis cumatilis[14] Sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Ripley  United States
( Mississippi) 		An otolith of a fish of uncertain phylogenetic placement.
Palaeogadus weltoni[13] Sp. nov Valid Schwarzhans & Stringer Late Cretaceous (Maastrichtian) Kemp Clay  United States
( Texas)
Palealbula korchinskyi[31] Sp. nov Valid Schwarzhans & Mironenko Late Jurassic  Russia Possibly a stem-albuliform
Palealbula moscoviensis[31] Sp. nov Valid Schwarzhans & Mironenko Late Jurassic  Russia Possibly a stem-albuliform.
Polcynichthys[32] Gen. et sp. nov In press London & Shimada Late Cretaceous (Cenomanian) Tarrant  United States
( Texas) 		A member of the family Pachyrhizodontidae. Genus includes new species P. lloydhilli.
Pythonichthys arkansasensis[13] Sp. nov Valid Schwarzhans & Stringer Late Cretaceous (Maastrichtian) and Paleocene (Danian) Clayton
Kemp Clay 		 United States
( Arkansas
 Texas) 		A species of Pythonichthys.
Rhynchoconger brettwoodwardi[13] Sp. nov Valid Schwarzhans & Stringer Late Cretaceous (Maastrichtian) Kemp Clay  United States
( Texas) 		A species of Rhynchoconger.
Salwaichthys[33] Gen. et sp. nov Valid Bannikov Early Oligocene Abkhazia
 Poland
 Russia
( Adygea) 		A member of Perciformes belonging to the new family Salwaichthyidae. Genus includes new species S. paratethyensis.
Scleropages sanshuiensis[34] Sp. nov Valid Zhang Early Eocene Huachong  China A species of Scleropages. Announced in 2019; the final version of the article naming it was published in 2020.
Scombroclupea javieri[35] Sp. nov In press Than Marchese et al. Late Cretaceous (Cenomanian) Cintalapa  Mexico A member of Clupeomorpha of uncertain phylogenetic placement
Stanhopeichthys[36] Gen. et sp. nov Valid Taverne & Capasso Late Cretaceous (Cenomanian)  Lebanon A member of Crossognathiformes belonging to the family Pachyrhizodontidae. The type species is S. libanicus.
Thrax[14] Gen. et sp. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Ripley  United States
( Mississippi) 		A member of Aulopiformes belonging to the family Ichthyotringidae. The type species is T. acutus.
Tippaha[14] Gen. et sp. et comb. nov Valid Schwarzhans & Stringer in Stringer et al. Late Cretaceous (Maastrichtian) Owl Creek

Ripley

 United States
( Mississippi) 		A member of Holocentriformes of uncertain phylogenetic placement. The type species is T. mythica; genus also includes "genus Ophidiidarum" cavatus Nolf & Stringer (1996).
Vachalia[37] Gen. et sp. nov In press Přikryl & Carnevale Early Oligocene  Czech Republic A member of the family Platytroctidae. Genus includes new species V. moraviensis.

Warilochromis[38]

Gen. et sp. nov

Valid

Altner, Ruthensteiner & Reichenbacher

Late Miocene

Ngorora

 Kenya

A cichlid belonging to the subfamily Pseudocrenilabrinae. The type species is W. unicuspidatus.

Lobe-finned fishes

Name Novelty Status Authors Age Type locality Country Notes Images
Ptychoceratodus oldhami[39] Sp. nov Valid Bhat & Ray Late Triassic (Carnian) Tiki  India A lungfish. Announced in 2018; the final version of the article naming it was published in 2020.

Research

  • A study on the morphology of the osteostracans, evaluating different methods used to determine the morphological variation within this group and its evolution, is published by Ferrón et al. (2020).[40]
  • A study aiming to determine whether Titanichthys was a suspension feeder, focusing on mechanical properties of its jaw, is published by Coatham et al. (2020).[41]
  • Burrow, Newman & den Blaauwen (2020) describe external spiracular elements in Middle Devonian acanthodians from northern Scotland, differing from spiracles of all known extant and extinct fishes, and report the oldest record of elastic cartilage in the fossil record.[42]
  • A study examining the factors influencing the long-term variations of genus-level diversity of elasmobranchs and ray-finned fishes throughout their evolutionary history is published by Guinot & Cavin (2020).[43]
  • Carrillo-Briceño et al. (2020) describe a new elasmobranch assemblage from the Oligocene–Miocene boundary in the Dos Bocas Formation (Ecuador), and evaluate the implications of this assemblage for chronostratigraphic inferences and the knowledge of local paleoenvironment.[44]
  • Two large vertebrae of sharks belonging to the genus Ptychodus, providing new information on the life history and body size of members of the family Ptychodontidae, are described from the Santonian of Spain by Jambura & Kriwet (2020).[45]
  • A study on the fossil record of the great white shark from the Pliocene of Peru and Chile is published by Villafaña et al. (2020), who interpret their findings as indicating that great white sharks used the Coquimbo locality in Chile as a nursery and Pisco (Peru) and Caldera (Chile) localities as feeding grounds during the Pliocene.[46]
  • Redescription of the anatomy of Tanyrhinichthys mcallisteri is published by Stack et al. (2020).[47]
  • Fragmentary fossil material of Gyrosteus mirabilis is reported from the Toarcian of the Ahrensburg erratics assemblage (Schleswig-Holstein, Germany) by Hornung & Sachs (2020), expanding known geographic range of this species, and representing the first record of a chondrosteid species beyond its type area.[48]
  • Revision and a study on the phylogenetic relationships of members of the subfamily Pycnodontinae is published by Poyato-Ariza (2020).[49]
  • Fossil material of Xiphactinus is described from the latest Maastrichtian Salamanca Formation (Chubut Province, Argentina) by De Pasqua, Agnolin & Bogan (2020), representing the first record of this genus from southern part of South America.[50]
  • A methodology for assessing locomotion energetics in extinct bony fishes is presented by Ferrón (2020), who interprets his findings as providing evidence of endothermy in Xiphactinus audax.[51]
  • New fossil material of Axelrodichthys megadromos is described from several Campanian and Maastrichtian sites in southern France by Cavin et al. (2020), who present a reconstruction of the skull of this species, and study its phylogenetic relationships and ecology.[52]
  • Redescription of the anatomy of the skull of Durialepis edentatus is published by Mondéjar‐Fernández, Friedman & Giles (2020).[53]
  • Description of a new, 1.57-metre-long articulated specimen of Elpistostege watsoni from the Upper Devonian of Canada, and a study on the implications of this specimen for the knowledge of the early evolution of the vertebrate hand, is published by Cloutier et al. (2020).[54]
  • A study aiming to determine the impact of changes in the Earth system during the Eocene–Oligocene transition on pelagic fish production and biodiversity is published by Sibert et al. (2020).[55]

References

  1. ^ a b c David K. Elliott; Linda S. Lassiter; Kathryn E. Geyer (2020). "The last pteraspids (Vertebrata, Heterostraci): new material from the Middle Devonian of Alberta and Idaho". Journal of Paleontology. 94 (4): 758–772. doi:10.1017/jpa.2020.9.
  2. ^ a b c Xin-Dong Cui; Qiang Li; Tuo Qiao; Min Zhu (2020). "New material of thelodonts from Lochkovian (Lower Devonian) of Qujing, Yunnan, China". Vertebrata PalAsiatica. 58 (1): 1–15. doi:10.19615/j.cnki.1000-3118.190612.
  3. ^ Xianren Shan; Min Zhu; Wenjin Zhao; Zhaohui Pan; Pingli Wang; Zhikun Gai (2020). "A new genus of sinogaleaspids (Galeaspida, stem-Gnathostomata) from the Silurian Period in Jiangxi, China". PeerJ. 8: e9008. doi:10.7717/peerj.9008. PMC 7233274. PMID 32461826.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  4. ^ a b Dmitry P. Plax; Michael J. Newman (2020). "New Early Devonian (late Emsian) placoderms from Belarus". Journal of Paleontology. 94 (4): 773–787. doi:10.1017/jpa.2020.6.
  5. ^ Valéria Vaškaninová (2020). "New genus of homostiid arthrodire contributes to the revision of placoderm diversity in the Early Devonian of the Prague Basin". Alcheringa: An Australasian Journal of Palaeontology. in press. doi:10.1080/03115518.2020.1749303.
  6. ^ a b c Bernard Siguendibo Sambou; Lionel Hautier; Raphael Sarr; Rodolphe Tabuce; Fabrice Lihoreau; Moustapha Thiam; Renaud Lebrun; Jeremy E. Martin; Henri Cappetta; Sylvain Adnet (2020). "Contribution to the reappraisal of the mid Paleogene ichtyofauna of Western Africa with three new enigmatical elasmobranchs from Thanetian–Lutetian of Senegal". Annales de Paléontologie. in press: Article 102400. doi:10.1016/j.annpal.2020.102400.
  7. ^ John G. Maisey; Dana J. Ehret; John S.S. Denton (2020). "A new genus of Late Cretaceous angel shark (Elasmobranchii; Squatinidae), with comments on squatinid phylogeny". American Museum Novitates. 3954: 1–29. doi:10.1206/3954.1. hdl:2246/7230.
  8. ^ Oleg A. Lebedev; Alexander O. Ivanov; Valeriy V. Linkevich (2020). "Chondrichthyan spines from the Famennian (Upper Devonian) of Russia". Acta Geologica Polonica. 70. doi:10.24425/agp.2020.132255.
  9. ^ a b c d Plamen S. Andreev; Wenjin Zhao; Nian-Zhong Wang; Moya M. Smith; Qiang Li; Xindong Cui; Min Zhu; Ivan J. Sansom (2020). "Early Silurian chondrichthyans from the Tarim Basin (Xinjiang, China)". PLoS ONE. 15 (2): e0228589. doi:10.1371/journal.pone.0228589. PMC 7018067. PMID 32053606.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  10. ^ a b Samuel L.A. Cooper; David M. Martill (2020). "A diverse assemblage of pycnodont fishes (Actinopterygii, Pycnodontomorpha) from the mid-Cretaceous, continental Kem Kem beds of South-East Morocco". Cretaceous Research. 112: Article 104456. doi:10.1016/j.cretres.2020.104456.
  11. ^ a b Martin Ebert (2020). "Elongofuro and Altmuehlfuro, new genera of Halecomorphi (Neopterygii) from the Upper Jurassic of the Solnhofen Archipelago and Nusplingen (Germany)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 295 (2): 185–210. doi:10.1127/njgpa/2020/0883.
  12. ^ Yoshitaka Yabumoto; Koji Hirose; Paulo M. Brito (2020). "A new ichthyodectiform fish, Amakusaichthys goshouraensis gen. et sp. nov. from the Upper Cretaceous (Santonian) Himenoura Group in Goshoura, Amakusa, Kumamoto, Japan". Historical Biology: An International Journal of Paleobiology. 32 (3): 362–375. doi:10.1080/08912963.2018.1497022.
  13. ^ a b c d e f g h i j k l Werner Schwarzhans; Gary L. Stringer (2020). "Fish otoliths from the late Maastrichtian Kemp Clay (Texas, USA) and the early Danian Clayton Formation (Arkansas, USA) and an assessment of extinction and survival of teleost lineages across the K-Pg boundary based on otoliths". Rivista Italiana di Paleontologia e Stratigrafia. 126 (2): 395–446. doi:10.13130/2039-4942/13425.
  14. ^ a b c d e f g h i j k l m n Gary L. Stringer; Werner Schwarzhans; George Phillips; Roger Lambert (2020). "Highly diversified Late Cretaceous fish assemblage revealed by otoliths (Ripley Formation and Owl Creek Formation, northeast Mississippi, USA)". Rivista Italiana di Paleontologia e Stratigrafia. 126 (1): 111–155. doi:10.13130/2039-4942/13013 (inactive 2020-03-06).{{cite journal}}: CS1 maint: DOI inactive as of March 2020 (link)
  15. ^ a b Orangel Aguilera; Ricardo T. Lopes; Felix Rodriguez; Thaís M. dos Santos; Caroline Rodrigues-Almeida; Paulo Almeida; Alessandra S. Machado; Tailan Moretti (2020). "Fossil sea catfish (Siluriformes; Ariidae) otoliths and in-skull otoliths from the Neogene of the Western Central Atlantic". Journal of South American Earth Sciences. 101: Article 102619. doi:10.1016/j.jsames.2020.102619.
  16. ^ Federico L. Agnolin; Sergio Bogan (2020). "Goliath catfish Brachyplatystoma Bleeker, 1862 (Siluriformes: Pimelodidae) from the Miocene of Argentina". Journal of South American Earth Sciences. 100: Article 102551. doi:10.1016/j.jsames.2020.102551.
  17. ^ Aleksandr Bakaev; Ilja Kogan (2020). "A new species of Burguklia (Pisces, Actinopterygii) from the Middle Permian of the Volga Region (European Russia)". PalZ. 94 (1): 93–106. doi:10.1007/s12542-019-00487-6.
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