2022 in paleoichthyology
This list of fossil fish research presented in 2022 is a list of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes that were described during the year, as well as other significant discoveries and events related to paleoichthyology that occurred in 2022.
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|---|---|---|---|
Jawless vertebrates
| Name | Novelty | Status | Authors | Age | Type locality | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
|
Anjiaspis ericius[1] |
Sp. nov |
In press |
Shan et al. |
Qingshui Formation |
A member of Eugaleaspidiformes. |
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|
Qingshuiaspis[1] |
Gen. et sp. nov |
In press |
Shan et al. |
Silurian (Telychian) |
Qingshui Formation |
A member of Eugaleaspidiformes belonging to the family Shuyuidae. The type species is Q. junqingi. |
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|
Xitunaspis[2] |
Gen. et sp. nov |
In press |
Sun et al. |
A member of Eugaleaspidiformes belonging to the family Eugaleaspidae. The type species is X. magnus. |
||||
|
Yongdongaspis[3] |
Gen. et sp. nov |
Valid |
Chen et al. |
Silurian (Llandovery) |
Huixingshao Formation |
A member of Eugaleaspidiformes. Genus includes new species Y. littoralis. |
||
Cartilaginous fishes
| Name | Novelty | Status | Authors | Age | Type locality | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
|
Dracipinna[4] |
Gen. et sp. nov |
Valid |
Pollerspöck & Straube |
Late Oligocene and early Miocene |
A member of the family Dalatiidae. Genus includes new species D. bracheri. |
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|
Gzhelodus[5] |
Gen. et sp. nov |
In press |
Ivanov |
A member of Euselachii belonging to the family Protacrodontidae. The type species is G. serratus. |
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|
Heslerodoides[5] |
Gen. et sp. nov |
In press |
Ivanov |
Carboniferous (Bashkirian–Gzhelian) |
Zilim Formation |
A member of Ctenacanthiformes belonging to the family Heslerodidae. The type species is H. triangularis. |
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|
Samarodus[5] |
Gen. et sp. nov |
In press |
Ivanov |
Carboniferous (Moscovian–Gzhelian) |
|
A shark of uncertain affinities. The type species is S. flexus. |
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|
Scyliorhinus weemsi[6] |
Sp. nov |
Valid |
Cicimurri, Knight & Ebersole |
Oligocene (Rupelian) |
A species of Scyliorhinus. |
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Cartilaginous fish research
- Taxonomic reassessment of a hybodontiform dental assemblage from the lower Kimmeridgian of Czarnogłowy (Poland), and a study on the implications of this assemblage for the knowledge of ecology and biogeography of cartilaginous fishes prior to the Jurassic/Cretaceous transition, is published by Stumpf, Meng & Kriwet (2022)[7]
- Fossil teeth of sharks belonging to the groups Hexanchiformes, Echinorhiniformes, Squaliformes and Lamniformes, including the first record of Protosqualus in northwestern Pacific reported to date, are described from the Upper Cretaceous Nishichirashinai and Omagari formations (Yezo Group, Japan) by Kanno et al. (2022).[8]
- A tooth of Cetorhinus huddlestoni, as well as gill rakers differing from previously described cetorhinids and referred to the same species as the tooth, are described from the Miocene Duho Formation (South Korea) by Malyshkina, Nam & Kwon (2022).[9]
- A study aiming to determine whether the observed body forms of lamniform sharks are influenced by thermophysiology, and reevaluating the body form of Otodus megalodon proposed by Cooper et al. (2020),[10] is published by Sternes, Wood & Shimada (2022).[11]
- A study on the putative nursery areas and body size patterns across different populations of Otodus megalodon is published by Shimada et al. (2022), who report that specimens of O. megalodon are on average larger in cooler water than those in warmer water, and argue that the previously identified nursery areas may reflect temperature-dependent trends rather than the inferred reproductive strategy.[12]
- A study on the microstructure of rostral denticles of Ischyrhiza mira is published by Cook et al. (2022)[13]
- New record of large dermal tubercles and bucklers, including tubercles similar in morphology to "Ceratoptera unios" and dermal bucklers similar in morphology to those of the extant roughtail stingray, is reported from the Lower Pleistocene Waccamaw Formation (South Carolina, United States) by Boessenecker & Gibson (2022), who interpret this findings as likely fossils of large stingrays in excess of 3 m disc width.[14]
- A study on the completeness of the chondrichthyan fossil record from Florida, aiming to determine patterns in taxonomic and ecomorphological diversity of Eocene to Pleistocene chondrichthyans from the Florida Platform, is published by Perez (2022).[15]
Ray-finned fishes
| Name | Novelty | Status | Authors | Age | Type locality | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
|
Anisotremus rambo[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A species of Anisotremus. |
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|
Archaeotolithus doppelsteini[17] |
Sp. nov |
Valid |
Schwarzhans & Keupp |
A member of Actinopterygii of uncertain affinities. |
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|
Arconiapogon[18] |
Gen. et sp. nov |
Valid |
Marramà, Giusberti & Carnevale |
Oligocene (Rupelian) |
A member of the family Apogonidae belonging to the subfamily Apogoninae. The type species is A. deangelii. |
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|
Astroscopus compactus[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A species of Astroscopus. |
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|
Bellottia verecunda[19] |
Sp. nov |
Valid |
Carnevale & Schwarzhans |
Miocene (Messinian) |
A species of Bellottia. |
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|
Benthosema taurinense[19] |
Sp. nov |
Valid |
Carnevale & Schwarzhans |
Miocene (Tortonian and Messinian) |
A species of Benthosema. |
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|
Bostrychus marsilii[19] |
Sp. nov |
Valid |
Carnevale & Schwarzhans |
Miocene (Messinian) |
A species of Bostrychus. |
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|
Calypsoichthys[20] |
Gen. et sp. nov |
Valid |
Argyriou et al. |
A member of the family Enchodontidae. The type species is C. pavlakiensis. |
||||
|
Cantarius ohei[21] |
Sp. nov |
Schwarzhans et al. |
Miocene |
A member of the family Ariidae. |
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|
Chaetodon wattsi[18] |
Sp. nov |
Valid |
Marramà, Giusberti & Carnevale |
Oligocene (Rupelian) |
A species of Chaetodon. |
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|
Cichlasoma bluntschlii[21] |
Sp. nov |
Schwarzhans et al. |
Miocene |
Pebas Formation |
A species of Cichlasoma. |
|||
|
"Citharus" varians[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A member of the family Citharidae. |
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|
Concentrilepis[22] |
Gen. et sp. nov |
Valid |
Stack & Gottfried |
Minnekahta Limestone |
An early ray-finned fish with anatomical features of the paraphyletic "paleoniscoids". The type species is C. minnekahtaensis. |
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|
Coreoperca chosun[23] |
Sp. nov |
In press |
Nam, Nazarkin & Bannikov |
Early Miocene |
Geumgwangdong Formation |
A species of Coreoperca. |
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|
Dicentrarchus oligocenicus[24] |
Sp. nov |
In press |
Grădianu, Bordeianu & Codrea |
Oligocene |
Bituminous Marls Formation |
A species of Dicentrarchus. |
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|
Elopothrissus bernardlemorti[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A member of Albuliformes. |
|||
|
Eosciaena[25] |
Gen. et sp. nov |
Valid |
Stringer, Parmley & Quinn |
A member of the family Sciaenidae. The type species is E. ebersolei. |
||||
|
Francischanos[26] |
Gen. et comb. nov |
In press |
Ribeiro, Bockmann & Poyato-Ariza |
Early Cretaceous (Aptian) |
A member of the family Chanidae; a new genus for "Dastilbe" moraesi Silva-Santos (1955). |
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|
"aff. Glyptophidium" stringeri[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A cusk-eel. |
|||
|
Harenaichthys[27] |
Gen. et sp. nov |
In press |
Kim et al. |
Late Cretaceous (Maastrichtian) |
A member of Osteoglossomorpha. The type species is H. lui. |
|||
|
Sp. nov |
Valid |
Argyriou et al. |
Late Cretaceous (Maastrichtian) |
|||||
|
Italopterus[28] |
Gen. et comb. nov |
Valid |
Shen & Arratia |
Triassic |
A member of the family Thoracopteridae. Genus includes "Thoracopterus" magnificus Tintori & Sassi (1987) and "Thoracopterus" martinisi Tintori & Sassi (1992). |
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|
Jenynsia herbsti[29] |
Sp. nov |
In press |
Sferco et al. |
Late Miocene |
A species of Jenynsia. |
|||
|
Kaykay[30] |
Gen. et sp. nov |
Valid |
Gouiric-Cavalli & Arratia |
Late Jurassic |
A member of Pachycormiformes. Genus includes new species K. lafken. |
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|
Sp. nov |
Valid |
Schwarzhans & Keupp |
Early Jurassic (Pliensbachian) |
Amaltheenton Formation |
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|
Leptolepis steberae[17] |
Sp. nov |
Valid |
Schwarzhans & Keupp |
Early Jurassic (Pliensbachian) |
Amaltheenton Formation |
|||
|
Libyachromis[31] |
Gen. et sp. nov |
Valid |
Přikryl, Kaur & Murray |
A cichlid belonging to the subfamily Pseudocrenilabrinae. The type species is L. fugacior. |
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|
Lophionotus parnaibensis[32] |
Sp. nov |
In press |
Gallo et al. |
A member of the family Semionotidae. |
||||
|
Mene garviei[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A species of Mene. |
|||
|
"Muraenesox" barrytownensis[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A member of the family Muraenesocidae. |
|||
|
Neoopisthopterus weltoni[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A species of Neoopisthopterus. |
|||
|
Nezumia prikryli[33] |
Sp. nov |
Valid |
Schwarzhans |
Miocene (Langhian) |
A species of Nezumia. |
|||
|
Sp. nov |
Valid |
Grande & Wilson in Grande et al. |
Late Cretaceous (Campanian) |
A member of the family Gonorynchidae. |
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|
Nusaviichthys[35] |
Gen. et sp. nov |
In press |
Alvarado-Ortega & Alves |
A member of Crossognathiformes belonging to the family Notelopidae. The type species is N. nerivelai. |
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|
Oligopseudamia[18] |
Gen. et sp. nov |
Valid |
Marramà, Giusberti & Carnevale |
Oligocene (Rupelian) |
A member of the family Apogonidae belonging to the subfamily Pseudaminae. The type species is O. iancurtisi. |
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|
Oniketia[18] |
Gen. et sp. nov |
Valid |
Marramà, Giusberti & Carnevale |
Oligocene (Rupelian) |
A member of the family Gobiidae. The type species is O. akihitoi. |
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|
Pagellus pamunkeyensis[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A species of Pagellus. |
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|
Paleoschizothorax diluculum[36] |
Sp. nov |
Valid |
Yang et al. |
Oligocene |
Shangganchaigou Formation |
A member of the family Cyprinidae related to Schizothorax. |
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|
Paraconger wechesensis[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A species of Paraconger. |
|||
|
Parascombrops yanceyi[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A species of Parascombrops. |
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|
Pebasciaena[21] |
Gen. et sp. nov |
Schwarzhans et al. |
Miocene |
Pebas Formation |
A member of the family Sciaenidae. The type species is P. amazonensis. |
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|
Plagioscion peyeri[21] |
Sp. nov |
Schwarzhans et al. |
Miocene |
Pebas Formation |
A species of Plagioscion. |
|||
|
Sp. nov |
Valid |
Olive, Taverne & Brito |
||||||
|
Pogonias tetragonus[21] |
Sp. nov |
Schwarzhans et al. |
Miocene |
Pebas Formation |
A species of Pogonias. |
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|
Pseudophichthys texanus[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A species of Pseudophichthys. |
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|
Smithconger[38] |
Gen. et comb. nov |
Valid |
Carnevale et al. |
Eocene |
Lillebælt Clay Formation |
A member of the family Congridae. The type species is "Pseudoxenomystax" treldeensis Schwarzhans (2007); genus also includes "Bathycongrus" waihaoensis Schwarzhans (2019). |
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|
Somalichromis[39] |
Gen. et sp. nov |
Murray |
Daban Series |
A cichlid belonging to the subfamily Pseudocrenilabrinae. The type species is S. hadrocephalus. |
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|
Sturisomatichthys podgornyi[40] |
Sp. nov |
In press |
Bogan & Agnolin |
Late Miocene |
A species of Sturisomatichthys. |
|||
|
Symmetrosulcus dockeryi[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A cusk-eel. |
|||
|
Trachinus meridianus[41] |
Sp. nov |
Valid |
Schwarzhans & Kovalchuk |
Miocene |
A species of Trachinus. |
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|
Umbrina pachaula[21] |
Sp. nov |
Schwarzhans et al. |
Miocene |
Pebas Formation |
A species of Umbrina. |
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|
Waitakia beelzebub[16] |
Sp. nov |
Valid |
Lin & Nolf |
Eocene |
A member of the subfamily Hemerocoetinae. |
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Ray-finned fish research
- Fossil material of a member or a relative of the genus Eomesodon, representing the oldest record of pycnodonts from East Gondwana reported to date, is described from the Middle Jurassic (Bathonian) Jaisalmer Formation (Rajasthan, India) by Kumar et al. (2022).[42]
- A study on the tooth replacement pattern and implantation in Serrasalmimus secans is published by Matsui & Kimura (2022), who interpret their findings as indicating that serrasalmimid pycnodont fish independently acquired a vertical replacement in true thecodont implantation, i.e. a characteristic tooth replacement pattern of mammals.[43]
- Redescription and a study on the affinities of Thaumaturus intermedius is published by Micklich & Arratia (2022).[44]
- Redescription of "Diplomystus" solignaci is published by Marramà, Khalloufi & Carnevale (2022), who intepret this fish as a paraclupeid ellimmichthyiform, and transfer it to the genus Paraclupea.[45]
- A study on cranial morphological features that diagnose known families of catfishes, and on their implications for the knowledge of the affinities of catfishes from the Paleogene of Africa, is published by Murray & Holmes (2022), who reassess the familial placement of the Paleogene African catfishes and assign Eomacrones wilsoni to the family Bagridae sensu stricto.[46]
- Description of new fossil material of Enchodus from the Cenomanian of Ukraine, and a revision of earlier records of Enchodus from Ukraine, is published by Kovalchuk, Barkaszi & Anfimova (2022).[47]
Lobe-finned fishes
| Name | Novelty | Status | Authors | Age | Type locality | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
|
Dianodipterus[48] |
Gen. et sp. nov |
Valid |
Luo et al. |
Qujing Formation |
A lungfish. The type species is D. huizeensis. |
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|
Sp. nov |
Valid |
Downs & Daeschler |
Devonian (Frasnian) |
A member of the family Tristichopteridae. |
||||
Lobe-finned fish research
- A study on the histology of the median fin bones and life history of Miguashaia bureaui is published by Mondéjar Fernandez et al. (2022).[50]
- A study on the histology of the tooth plates of Metaceratodus baibianorum from the Upper Cretaceous La Colonia Formation (Argentina) is published by Panzeri, Pereyra & Cione (2022).[51]
General research
- A study on the mandibular morphology of Silurian and Devonian jawed vertebrates, and on the functional capabilities of their jaws, is published by Deakin et al. (2022).[52]
- Revision of the marine fish fauna from the Upper Cretaceous (Campanian) Rybushka Formation (Saratov Oblast, Russia) is published by Ebersole et al. (2022).[53]
- A study aiming to reconstruct the fish community and oceanographic conditions off the coast of Peru during the last interglacial, based on data from sediments from the northern Humboldt Current system, is published by Salvatteci et al. (2022).[54]
References
- Shan, X.; Gai, Z.; Lin, X.; Chen, Y.; Zhu, M.; Zhao, W. (2022). "The oldest eugaleaspiform fishes from the Silurian red beds in Jiangxi, South China and their stratigraphic significance". Journal of Asian Earth Sciences. 229: Article 105187. doi:10.1016/j.jseaes.2022.105187.
- Sun, H.-R.; Gai, Z.-K.; Cai, J.-C.; Li, Q.; Zhu, M.; Zhao, W.-J. (2022). "Xitunaspis, a new eugaleaspid fish (Eugaleaspiformes, Galeaspida) from the Lower Devonian of Qujing, Yunnan". Vertebrata PalAsiatica. in press. doi:10.19615/j.cnki.2096-9899.220412.
- Chen, Y.; Gai, Z.; Li, Q.; Wang, J.; Peng, L.; Wei, G.; Zhu, M. (2022). "A New Family of Galeaspids (Jawless Stem-Gnathostomata) from the Early Silurian of Chongqing, Southwestern China". Acta Geologica Sinica (English Edition). 96 (2): 430–439. doi:10.1111/1755-6724.14909.
- Pollerspöck, J.; Straube, N. (2022). "Phylogenetic placement and description of an extinct genus and species of kitefin shark based on tooth fossils (Squaliformes: Dalatiidae)". Journal of Systematic Palaeontology. 19 (15): 1083–1096. doi:10.1080/14772019.2021.2012537. S2CID 246398258.
- Ivanov, A. O. (2022). "New late Carboniferous chondrichthyans from the European Russia". Bulletin of Geosciences. 97 (2). doi:10.3140/bull.geosci.1845.
- Cicimurri, D. J.; Knight, J. L.; Ebersole, J. A. (2022). "Early Oligocene (Rupelian) fishes (Chondrichthyes, Osteichthyes) from the Ashley Formation (Cooper Group) of South Carolina, USA". PaleoBios. 39 (1): ucmp_paleobios_56976. doi:10.5070/P939056976.
- Stumpf, S.; Meng, S.; Kriwet, J. (2022). "Diversity Patterns of Late Jurassic Chondrichthyans: New Insights from a Historically Collected Hybodontiform Tooth Assemblage from Poland". Diversity. 14 (2): Article 85. doi:10.3390/d14020085.
- Kanno, S.; Tokumaru, S.; Nakagaki, S.; Nakajima, Y.; Misaki, A.; Hikida, Y.; Sato, T. (2022). "Santonian-Campanian neoselachian faunas of the Upper Cretaceous Yezo Group in Nakagawa Town, Hokkaido, Japan". Cretaceous Research. 133: Article 105139. doi:10.1016/j.cretres.2022.105139. S2CID 245831871.
- Malyshkina, T. P.; Nam, G.-S.; Kwon, S. H. (2022). "Basking shark remains (Lamniformes, Cetorhinidae) from the Miocene of South Korea". Journal of Vertebrate Paleontology. in press: e2037625. doi:10.1080/02724634.2021.2037625.
- Cooper, J. A.; Pimiento, C.; Ferrón, H. G.; Benton, M. J. (2020). "Body dimensions of the extinct giant shark Otodus megalodon: a 2D reconstruction". Scientific Reports. 10 (1): Article number 14596. Bibcode:2020NatSR..1014596C. doi:10.1038/s41598-020-71387-y. PMC 7471939. PMID 32883981.
- Sternes, P. C.; Wood, J. J.; Shimada, K. (2022). "Body forms of extant lamniform sharks (Elasmobranchii: Lamniformes), and comments on the morphology of the extinct megatooth shark, Otodus megalodon, and the evolution of lamniform thermophysiology". Historical Biology: An International Journal of Paleobiology. in press: 1–13. doi:10.1080/08912963.2021.2025228. S2CID 246655344.
- Shimada, K.; Maisch, H. M.; Perez, V. J.; Becker, M. A.; Griffiths, M. L. (2022). "Revisiting body size trends and nursery areas of the Neogene megatooth shark, Otodus megalodon (Lamniformes: Otodontidae), reveals Bergmann's rule possibly enhanced its gigantism in cooler waters". Historical Biology: An International Journal of Paleobiology. in press. doi:10.1080/08912963.2022.2032024.
- Cook, T. D.; Prothero, J.; Brudy, M.; Magraw, J. A. (2022). "Complex enameloid microstructure of †Ischyrhiza mira rostral denticles". Journal of Anatomy. doi:10.1111/joa.13676. PMID 35445396.
- Boessenecker, R. W.; Gibson, M. L. (2022). "Dermal tubercles and bucklers of gigantic stingrays (Dasyatidae) from the Pleistocene of South Carolina and the stratigraphic origin of "Ceratoptera unios" Leidy, 1877". PalZ. in press. doi:10.1007/s12542-021-00592-5. S2CID 246082139.
- Perez, V. J. (2022). "The chondrichthyan fossil record of the Florida Platform (Eocene–Pleistocene)". Paleobiology. in press: 1–33. doi:10.1017/pab.2021.47.
- Lin, C.-H.; Nolf, D. (2022). "Middle and late Eocene fish otoliths from the eastern and southern USA". European Journal of Taxonomy (814): 1–122. doi:10.5852/ejt.2022.814.1745.
- Schwarzhans, W; Keupp, H. (2022). "Early teleost otolith morphogenesis observed in the Jurassic of Franconia, Bavaria, southern Germany". Zitteliana. 96: 51–67. doi:10.3897/zitteliana.96.81737.
- Marramà, G.; Giusberti, L.; Carnevale, G. (2022). "A Rupelian coral reef fish assemblage from the Venetian Southern Alps (Berici Hills, Ne Italy)". Rivista Italiana di Paleontologia e Stratigrafia. 128 (2): 469–513. doi:10.54103/2039-4942/16601.
- Carnevale, G.; Schwarzhans, W. (2022). "Marine life in the Mediterranean during the Messinian salinity crisis: a paleoichthyological perspective". Rivista Italiana di Paleontologia e Stratigrafia. 128 (2): 283–324. doi:10.54103/2039-4942/15964.
- Argyriou, T.; Alexopoulos, A.; Carrillo-Briceño, J. D.; Cavin, L. (2022). "A fossil assemblage from the mid–late Maastrichtian of Gavdos Island, Greece, provides insights into the pre-extinction pelagic ichthyofaunas of the Tethys". PLOS ONE. 17 (4): e0265780. doi:10.1371/journal.pone.0265780.
- Schwarzhans, W. W.; Aguilera, O. A.; Scheyer, T. M.; Carrillo-Briceño, J. D. (2022). "Fish otoliths from the middle Miocene Pebas Formation of the Peruvian Amazon". Swiss Journal of Palaeontology. 141 (1): Article 2. doi:10.1186/s13358-022-00243-5.
- Stack, J.; Gottfried, M. D. (2022). "A new, exceptionally well-preserved Permian actinopterygian fish from the Minnekahta Limestone of South Dakota, USA". Journal of Systematic Palaeontology. Online edition. doi:10.1080/14772019.2022.2036837.
- Nam, G.-S.; Nazarkin, M. V.; Bannikov, A. F. (2022). "A new Chinese perch (Perciformes, Sinipercidae) from the early Miocene of South Korea". Historical Biology: An International Journal of Paleobiology. in press. doi:10.1080/08912963.2022.2056842.
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