2025 in reptile paleontology

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{{Year nav topic20 |2025|reptile paleontology |paleontology |paleobotany |arthropod paleontology |paleoentomology |paleomalacology |archosaur paleontology |paleomammalogy |paleoichthyology }}

This catalog of fossil reptile research published in 2025 includes a list of new taxa that were described during the year 2025, as well as other significant discoveries and events related to reptile paleontology that occurred in 2025.

Squamates

= New squamate taxa =

class="wikitable sortable" width="100%" align="center"

!Name

!Novelty

!Status

!Authors

!Age

!Type locality

!Country

!Notes

!Images

Wautaugategu{{Cite journal|last1=Bourque |first1=J. R. |last2=Stanley |first2=E. L. |year=2025 |title=A tegu-like lizard (Teiidae, Tupinambinae) from the Middle Miocene Climatic Optimum of the southeastern United States |journal=Journal of Paleontology |pages=1–15 |doi=10.1017/jpa.2024.89 }}

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Gen. et sp. nov

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Valid

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Bourque & Stanley

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Miocene (Barstovian)

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{{Flag|United States}}
({{Flag|Georgia (U.S. state)}})

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A member of the family Teiidae belonging to the subfamily Tupinambinae. The type species is W. formidus.

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Zhongyuanxi{{cite journal |last1=Xu |first1=L. |last2=Dong |first2=L. |last3=Gao |first3=D. |last4=Li |first4=Y. |last5=Wu |first5=Y. |last6=Chang |first6=F. |last7=Li |first7=J. |last8=Evans |first8=S. |title=A new anguimorph lizard from the Upper Cretaceous of Henan Province, China |journal=Journal of Systematic Palaeontology |year=2025 |volume=23 |issue=1 |at=2470790 |doi=10.1080/14772019.2025.2470790 }}

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Gen. et sp. nov

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Valid

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Xu et al.

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Late Cretaceous (possibly Maastrichtian)

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Qiupa Formation

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{{Flag|China}}

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A member of Anguimorpha, possibly a stem-varanid. The type species is Z. jiai.

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=Squamate research=

  • A study on the biogeography of squamates throughout their evolutionary history is published by Wilenzik & Pyron (2025), who identify Europe and northeastern Asia as the most likely areas of the origin of Squamata.{{Cite journal |last1=Wilenzik |first1=I. V. |last2=Pyron |first2=R. A. |title=European origins of Squamata supported by biogeographic analysis of fossil-tip-dated phylogenies using paleocontinental plate-tectonic models |year=2025 |journal=Comptes Rendus Palevol |volume=24 |issue=9 |pages=139–158 |doi=10.5852/cr-palevol2025v24a9 |doi-access=free }}
  • López-Rueda et al. (2025) describe new mosasaur material from the Upper Cretaceous Labor-Tierna and Plaeners formations (Colombia), including the first record of a member of the genus Globidens from northern South America reported to date.{{Cite journal|last1=López-Rueda |first1=J. S. |last2=Polcyn |first2=M. J. |last3=Lindgren |first3=J. |last4=Cruz-Guevara |first4=L. E. |last5=Rodríguez-Sañudo |first5=A. S. |year=2025 |title=Mosasaur (Reptilia, Mosasauridae) remains from the Upper Cretaceous of Colombia, including the first occurrence of the genus Globidens |journal=Cretaceous Research |volume=166 |at=105997 |doi=10.1016/j.cretres.2024.105997 |bibcode=2025CrRes.16605997L }}
  • A study on patterns of the foraging area preference of members of different mosasaur groups throughout the Late Cretaceous, as indicated by carbon isotope composition of tooth enamel, is published by Polcyn et al. (2025).{{Cite journal |last1=Polcyn |first1=M. J. |last2=Robbins |first2=J. A. |last3=Schulp |first3=A. S. |last4=Lindgren |first4=J. |last5=Jacobs |first5=L. L. |title=The Evolution of Mosasaurid Foraging Behavior Through the Lens of Stable Carbon Isotopes |year=2025 |journal=Diversity |volume=17 |issue=4 |at=291 |doi=10.3390/d17040291 |doi-access=free }}
  • A study on teeth of mosasaurs from the Campanian Bearpaw Formation (Alberta, Canada), providing evidence of dietary niche differentiation of the studied taxa, is published by Holwerda et al. (2025).{{cite journal|last1=Holwerda |first1=F. M. |last2=Mitchell |first2=M. T. |last3=van de Kerk |first3=M. |last4=Schulp |first4=A. S. |year=2025 |title=Mosasaur Feeding Ecology from the Campanian Bearpaw Formation, Alberta, Canada: A Preliminary Multi-Proxy Approach |journal=Diversity |volume=17 |issue=3 |at=205 |doi=10.3390/d17030205 |doi-access=free }}
  • A study on diversity of tooth shapes and likely dietary preferences of Maastrichtian mosasaurs from the Phosphates of Morocco is published by Bardet et al. (2025), who also transfer Platecarpus (?) ptychodon Arambourg (1952) to the genus Gavialimimus, and interpret it as a probable senior synonym of Gavialimimus almaghribensis.{{cite journal|last1=Bardet |first1=N. |last2=Fischer |first2=V. |last3=Jalil |first3=N.-E. |last4=Khaldoune |first4=F. |last5=Yazami |first5=O. K. |last6=Pereda-Suberbiola |first6=X. |last7=Longrich |first7=N. |year=2025 |title=Mosasaurids Bare the Teeth: An Extraordinary Ecological Disparity in the Phosphates of Morocco Just Prior to the K/Pg Crisis |journal=Diversity |volume=17 |issue=2 |at=114 |doi=10.3390/d17020114 |doi-access=free |bibcode=2025Diver..17..114B }}
  • Grigoriev et al. (2025) describe fossil material of Latoplatecarpus cf. L. willistoni from the Campanian Rybushka Formation (Saratov Oblast, Russia), representing the first known record of the genus outside of North America.{{Cite journal|last1=Grigoriev |first1=D. V. |last2=Arkhangelsky |first2=M. S. |last3=Zverkov |first3=N. G. |last4=Gubarev |first4=D. I. |year=2025 |title=First record of a rare plioplatecarpine mosasaur Latoplatecarpus in Europe as further evidence of a semi-global Campanian marine vertebrate fauna |journal=Cretaceous Research |at=106102 |doi=10.1016/j.cretres.2025.106102 }}
  • Georgalis (2025) revises Plesiotortrix edwardsi from the Quercy Phosphorites Formation (France), and considers it to be nomen dubium.{{Cite journal |last=Georgalis |first=G. L. |title=Revision of the enigmatic snake Plesiotortrix edwardsi Rochebrune, 1884 from the Phosphorites du Quercy, France |year=2025 |journal=Comptes Rendus Palevol |volume=24 |issue=4 |pages=51–59 |doi=10.5852/cr-palevol2025v24a4 |doi-access=free }}
  • The oldest cranial remains of a member of Constrictores (the group including boas and pythons) described and figured from the Cenozoic of Europe to date are reported from the Eocene (Ypresian) strata from the Cos locality (Quercy Phosphorites Formation, France) by Čerňanský et al. (2025).{{Cite journal |last1=Čerňanský |first1=A. |last2=Georgalis |first2=G. L. |last3=Tabuce |first3=R. |last4=Vidalenc |first4=D. |title=The first snake from the lower Eocene (MP 10-11) of the Cos locality, Phosphorites du Quercy, France |year=2025 |journal=Comptes Rendus Palevol |volume=24 |issue=5 |pages=61–66 |doi=10.5852/cr-palevol2025v24a5 |doi-access=free }}

Ichthyosauromorphs

= New ichthyosauromorph taxa =

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!Name

!Novelty

!Status

!Authors

!Age

!Type locality

!Country

!Notes

!Images

Gadusaurus{{Cite journal |last1=Pratas e Sousa |first1=J. |last2=Morais Roldão |first2=I. |last3=Ríos |first3=M. |last4=Puertólas-Pascual |first4=E. |title=A new ichthyosaur from the Lower Jurassic of Portugal (Iberian Peninsula) |year=2025 |journal=Acta Palaeontologica Polonica |volume=70 |issue=1 |pages=179–192 |doi=10.4202/app.01199.2024 |doi-access=free }}

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Gen. et sp. nov

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Valid

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Pratas e Sousa et al.

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Early Jurassic (Sinemurian)

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Água de Madeiros Formation

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{{Flag|Portugal}}

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An ichthyosaur belonging to the group Baracromia. The type species is G. aqualigneus.

|frameless

=Ichthyosauromorph research=

  • A description of the cranial anatomy of a specimen of Hupehsuchus nanchangensis is published by Zhao et al. (2025).{{Cite journal |last1=Zhao |first1=B. |last2=Zou |first2=Y. |last3=Li |first3=J. |last4=Chen |first4=G. |last5=Wan |first5=S. |last6=Yuan |first6=J. |last7=Wu |first7=K. |year=2025 |title=早三叠世南漳湖北鳄(双孔亚纲:湖北鳄目)的头骨新材料及补充研究 |trans-title=New cranial material and supplementary study on the Early Triassic Huphesuchus nanchangensis (Diapsida: Hupehsuchidae) |url=https://www.geojournals.cn/dzxbe/dzxbe/article/abstract/2023102 |journal=Acta Geologica Sinica |volume=99 |issue=2 |pages=337–351 |doi=10.19762/j.cnki.dizhixuebao.2023332}}
  • Pardo-Pérez et al. (2025) describe a gravid ichthyosaur specimen (possibly belonging to the species Myobradypterygius hauthali) from the Hauterivian strata from the Torres del Paine National Park, representing the first complete ichthyosaur specimen reported from Chile.{{Cite journal|last1=Pardo-Pérez |first1=J. M. |last2=Malkowski |first2=M. |last3=Zambrano |first3=P. |last4=Lomax |first4=D. R. |last5=Gascó Martín |first5=C. |last6=Kaluza |first6=J. |last7=Ortíz |first7=H. |last8=Pérez Marín |first8=A. |last9=Villa-Martínez |first9=R. |last10=Yurac |first10=M. |last11=Cáceres |first11=M. |last12=Zegers |first12=A. |last13=Delgado |first13=J. |last14=Scapini |first14=F. |last15=Astete |first15=C. |last16=Maxwell |first16=E. E. |year=2025 |title=The first gravid ichthyosaur from the Hauterivian (Early Cretaceous): a complete Myobradypterygius hauthali von Huene, 1927 excavated from the border of the Tyndall Glacier, Torres del Paine National Park, southernmost Chile |journal=Journal of Vertebrate Paleontology |at=e2445705 |doi=10.1080/02724634.2024.2445705 }}
  • Meyerkort et al. (2025) describe a phalanx bone of a brachypterygiid ichthyosaur from the middle–upper Cenomanian strata of the Gearle Siltstone (Australia), representing the geologically youngest ichthyosaur record from the Southern Hemisphere reported to date.{{Cite journal|last1=Meyerkort |first1=R. D. |last2=Kear |first2=B. P. |last3=Everhart |first3=M. J. |last4=Siversson |first4=M. |year=2025 |title=Youngest fossil occurrence of ichthyosaurs from the Southern Hemisphere |journal=Cretaceous Research |volume=168 |at=106071 |doi=10.1016/j.cretres.2024.106071 |doi-access=free |bibcode=2025CrRes.16806071M }}

Sauropterygians

= New sauropterygian taxa =

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!Name

!Novelty

!Status

!Authors

!Age

!Type locality

!Country

!Notes

!Images

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=Sauropterygian research=

  • Su et al. (2025) describe two new specimens of Glyphoderma kangi, providing new information on the anatomy of the studied placodont.{{Cite journal |last1=Su |first1=C. X. |last2=Gu |first2=S.-L. |last3=Jiang |first3=D.-Y. |last4=Motani |first4=R. |last5=Rieppel |first5=O. |last6=Tintori |first6=A. |last7=Zhou |first7=M. |last8=Sun |first8=Z.-Y. |year=2025 |title=Two new specimens of Glyphoderma kangi (Placodontia, Sauropterygia, Reptilia) from the Middle Triassic of South China |journal=Journal of Vertebrate Paleontology |volume=44 |issue=3 |at=e2439530 |doi=10.1080/02724634.2024.2439530 }}
  • Ruciński et al. (2025) describe fossil material of a member of the genus Henodus from the Upper Triassic Silves Group (Portugal), expanding known geographical range of members of the genus.{{Cite journal |last1=Ruciński |first1=M. |last2=Campos |first2=H. |last3=Mateus |first3=O. |last4=Werneburg |first4=I. |year=2025 |title=Novel record of placodont remains including a Henodus cranium from the Upper Triassic Silves Group of the Algarve, southern Portugal |journal=Journal of Vertebrate Paleontology |at=e2460445 |doi=10.1080/02724634.2025.2460445|doi-access=free }}
  • A study on the skull anatomy and phylogenetic affinities of Keichousaurus hui is published by Xu et al. (2025).{{Cite journal |last1=Xu |first1=J. |last2=Guo |first2=Y. |last3=Ma |first3=Y. |last4=Wang |first4=W. |last5=Cheng |first5=L. |last6=Han |first6=F. |year=2025 |title=New digital anatomical data of Keichousaurus hui (Reptilia: Sauropterygia) and its phylogenetic implication |journal=PeerJ |volume=13 |at=e19012 |doi=10.7717/peerj.19012

|doi-access=free |pmc=11967422 }}

  • Marx et al. (2025) report evidence of preservation of skin traces, including smooth skin on the tail and scaly skin on the flippers, as well as evidence of preservation of melanosomes and keratinocytes in a plesiosaur specimen from the Lower Jurassic Posidonia Shale (Germany).{{cite journal|last1=Marx |first1=M. |last2=Sjövall |first2=P. |last3=Kear |first3=B. P. |last4=Jarenmark |first4=M. |last5=Eriksson |first5=M. E. |last6=Sachs |first6=S. |last7=Nilkens |first7=K. |last8=Op De Beeck |first8=M. |last9=Lindgren |first9=J. |year=2025 |title=Skin, scales, and cells in a Jurassic plesiosaur |journal=Current Biology |volume=35 |issue=5 |pages=1113–1120.e3 |doi=10.1016/j.cub.2025.01.001 |pmid=39919740 |doi-access=free |bibcode=2025CBio...35.1113M }}
  • Redescription and a study on the affinities of Seeleyosaurus guilelmiimperatoris is published by Sachs et al. (2025), who interpret Plesiopterys wildi as a taxon distinct from S. guilelmiimperatoris.{{Cite journal |last1=Sachs |first1=S. |last2=Madzia |first2=D. |last3=Marx |first3=M. |last4=Roberts |first4=A. J. |last5=Hampe |first5=O. |last6=Kear |first6=B. P. |year=2025 |title=The osteology, taxonomy, and phylogenetic placement of Seeleyosaurus guilelmiimperatoris (Plesiosauroidea, Microcleididae) from the Lower Jurassic Posidonia Shale of Germany |journal=The Anatomical Record |doi=10.1002/ar.25620 |pmid=39981975 }}
  • Description of a new specimen of Plesiopterys wildi from the Toarcian Posidonia Shale (Germany) and a study on the phylogenetic affinities of the species is published by Marx et al. (2025).{{Cite journal |last1=Marx |first1=M. |last2=Sachs |first2=S. |last3=Kear |first3=B. P. |last4=Eriksson |first4=M. E. |last5=Nilkens |first5=K. |last6=Lindgren |first6=J. |year=2025 |title=A new specimen of Plesiopterys wildi reveals the diversification of cryptoclidian precursors and possible endemism within European Early Jurassic plesiosaur assemblages |journal=PeerJ |volume=13 |at=e18960 |doi=10.7717/peerj.18960

|doi-access=free |pmc=11967415 }}

  • Zverkov, Grigoriev & Nikiforov (2025) describe new fossil material of Polycotylus sopozkoi from the Upper Cretaceous (Santonian–Campanian) strata from the Izhberda quarry (Orenburg Oblast, Russia), providing new information on the morphology of members of the species.{{Cite journal|last1=Zverkov |first1=N. G. |last2=Grigoriev |first2=D. V. |last3=Nikiforov |first3=A. V. |year=2025 |title=New polycotylid plesiosaur skeletons from the Upper Cretaceous of the Southern Urals provide additional diagnostic features of Polycotylus sopozkoi and demonstrate its variation |journal=Historical Biology: An International Journal of Paleobiology |pages=1–34 |doi=10.1080/08912963.2025.2472161 }}

Turtles

= New turtle taxa =

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!Name

!Novelty

!Status

!Authors

!Age

!Type locality

!Country

!Notes

!Images

Calvarichelys{{Cite journal |last1=Oriozabala |first1=Carolina |last2=de la Fuente |first2=Marcelo S. |last3=Holley |first3=J. Alfredo |last4=Sterli |first4=Juliana |date=2025-03-05 |title=A new chelid turtle (Testudines, Pleurodira) from the Cretaceous of Patagonia, Argentina |journal=Papers in Palaeontology |language=en |volume=11 |issue=2 |pages=e70006 |doi=10.1002/spp2.70006 |issn=2056-2802 |url=https://onlinelibrary.wiley.com/doi/abs/10.1002/spp2.70006}}

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Gen. et sp. nov

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Valid

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Oriozabala et al.

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Late Cretaceous (CampanianMaastrichtian)

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La Colonia Formation

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{{Flag|Argentina}}

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A member of the family Chelidae. The type species is C. coloniensis.

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Chelonoidis pucara{{Cite journal |last1=Agnolín |first1=F. L. |last2=Chimento |first2=N. R. |title=A giant among giants: a new land tortoise from the Pleistocene of the Argentine Pampas |year=2025 |journal=Rivista Italiana di Paleontologia e Stratigrafia |volume=131 |issue=2 |pages=241–259 |doi=10.54103/2039-4942/27229 |doi-access=free }}

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Sp. nov

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Valid

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Agnolín & Chimento

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Pleistocene (Lujanian)

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Lujan Formation

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{{Flag|Argentina}}

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A tortoise, a species of Chelonoidis.

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Thaichelys{{Cite journal |last1=Szczygielski |first1=Tomasz |last2=Dróżdż |first2=Dawid |last3=Chanthasit |first3=Phornphen |last4=Manitkoon |first4=Sita |last5=Ditbanjong |first5=Pitaksit |date=2025-03-19 |title=The Triassic turtle of Thailand – revision of 'Proganochelys' ruchae |url=https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0316338 |journal=PLOS ONE |language=en |volume=20 |issue=3 |doi=10.1371/journal.pone.0316338 |doi-broken-date=20 March 2025 |doi-access=free |issn=1932-6203}}

|Gen. et comb. nov.

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|Szczygielski et al.

|Late Triassic (Norian)

|Huai Hin Lat Formation

|{{Flag|Thailand}}

|A member of the family Proterochersidae. The type species is "Proganochelys" ruchae.

|frameless

Wabanbara{{Cite journal|last1=White |first1=A. W. |last2=Gillespie |first2=A. K. |last3=Hand |first3=S. J. |title=Wabanbara ringtailensis—a new chelid turtle (Pleurodira: Chelidae) from mid-Miocene deposits of the Riversleigh World Heritage Area in Australia |year=2025 |journal=Alcheringa: An Australasian Journal of Palaeontology |doi=10.1080/03115518.2025.2477464 }}

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Gen. et sp. nov

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White, Gillespie & Hand

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Miocene

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Riversleigh World Heritage Area

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{{Flag|Australia}}

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A member of the family Chelidae. The type species is W. ringtailensis.

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=Turtle research=

  • Neto et al. (2025) describe new fossil material of Chelus colombiana from the Miocene Solimões Formation (Brazil), and interpret its morphology as supporting the presence of a single species of Chelus in the Miocene of South America.{{Cite journal |last1=Neto |first1=D. J. M. |last2=Hsiou |first2=A. S. |last3=Guilherme |first3=E. |last4=Costa |first4=L. A. T. |last5=Ferreira |first5=G. S. |title=Concealed morphological diversity revealed by new fossils of Chelus (Testudines, Chelidae) from the Upper Miocene of the Acre Basin, Brazil |year=2025 |journal=Journal of South American Earth Sciences |volume=155 |at=105408 |doi=10.1016/j.jsames.2025.105408 |bibcode=2025JSAES.15505408M }}
  • Fossil material of a member of the genus Phrynops distinct from Phrynops paranensis is described from the Miocene Palo Pintado Formation (Argentina) by de la Fuente et al. (2025).{{Cite journal |last1=de la Fuente |first1=M. S. |last2=Luna |first2=C. A. |last3=Zurita |first3=A. E. |last4=Galli |first4=C. I. |last5=Quiñones |first5=S. I. |last6=Robledo |first6=J. M. |last7=Candela |first7=A. M. |last8=Landa Ramírez |first8=E. M. |last9=González Ruiz |first9=P. |last10=Alonso |first10=R. N. |title=Phrynops Wagler, 1830 (Testudines, Chelidae) in the Late Miocene of Palo Pintado Formation, Salta province, Argentina, with comments on taxonomy and paleoenvironmental settings |year=2025 |journal=Journal of South American Earth Sciences |at=105530 |doi=10.1016/j.jsames.2025.105530 }}
  • Pérez-García (2025) revises the fossil material of "Podocnemis" parva and "P." judaea, interprets the latter species as a junior synonym of the former one, and confirms assignment of "P." parva to the bothremydid genus Algorachelus.{{cite journal|last=Pérez-García |first=A. |title=A taxonomic revision of the Cenomanian bothremydid turtle Algorachelus parva from Israel and morphological variation within its genus |year=2025 |journal=Palaeontologia Electronica |volume=28 |issue=1 |at=28.1.a2 |doi=10.26879/1398 |doi-access=free }}
  • A study on the neuroanatomy of Azzabaremys moragjonesi, providing evidence of convergences of its neuroanatomical structures with those of other turtles adapted to marine environments, is published by Martín-Jiménez & Pérez-García (2025).{{cite journal|last1=Martín-Jiménez |first1=M. |last2=Pérez-García |first2=A. |year=2025 |title=The first neuroanatomical study of a marine pleurodire (the large Paleocene bothremydid Azzabaremys moragjonesi) reveals convergences with other clades of pelagic turtles |journal=Fossil Record |volume=28 |issue=1 |pages=1–15 |doi=10.3897/fr.28.e130418 |doi-access=free |bibcode=2025FossR..28....1M }}
  • Tong et al. (2025) describe the cranial morphology of Foxemys mechinorum from the Late Cretaceous Massecaps locality (France), reporting that the cranial differences exhibited in the studied specimens are interpreted as intraspecific variation or ontogeny. {{Cite journal|last1=Tong |first1=H. |last2=Buffetaut |first2=E. |last3=Claude |first3=J. |title=Skull morphology of Foxemys (Testudines: Pleurodira: Bothremydidae) from the Upper Cretaceous of Massecaps, Cruzy, southern France |year=2025 |journal=Historical Biology|doi=10.1080/08912963.2025.2478209}}
  • Jannello et al. (2025) study shell histology of marine turtles from the Eocene La Meseta and Submeseta formations (Antarctica), and report that histological variation of the studied sample of fossils exceeds its macromorphological variation.{{Cite journal|last1=Jannello |first1=J. M. |last2=Bona |first2=P. |last3=Santillana |first3=S. N. |last4=Reguero |first4=M. A. |title=First comparative paleohistological study of Eocene Antarctic turtle shell bones |year=2025 |journal=Ameghiniana |doi=10.5710/AMGH.22.01.2025.3614 }}
  • Guerrero et al. (2025) describe and analyze the different types of bioerosion marks present in the shells of the pancheloniids Eochelone brabantica and Puppigerus camperi of the middle Eocene (Lutetian) of Belgium.{{cite journal|last1=Guerrero |first1=A. |last2=Smith |first2=T. |last3=Pérez-García |first3=A. |year=2025 |title=Bioerosional marks in the shells of two sea turtle taxa from the middle Eocene of Belgium |journal=Fossil Record |volume=28 |issue=1 |pages=45–56 |doi=10.3897/fr.28.e141743 |doi-access=free |bibcode=2025FossR..28...45G }}
  • Lehman et al. (2025) describe new fossil material of turtles from the Upper Cretaceous Aguja and Javelina formations (Texas), United States), including the first records of Denazinemys nodosa, Neurankylus baueri and Thescelus rapiens from the studied formations, as well as trionychids other than cf. Aspideretoides, likely kinosternoids and chelydrids.{{Cite journal |last1=Lehman |first1=T. M. |last2=Tomlinson |first2=S. L. |last3=Shiller |first3=T. A. |last4=Wick |first4=S. L. |title=Turtles of the Aguja and Javelina Formations, Upper Cretaceous (Campanian – Maastrichtian), West Texas |year=2025 |journal=Cretaceous Research |at=106145 |doi=10.1016/j.cretres.2025.106145 }}

Archosauriformes

=Archosaurs=

{{Main|2025 in archosaur paleontology}}

=Other archosauriforms=

== New miscellaneous archosauriform taxa ==

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!Name

!Novelty

!Status

!Authors

!Age

!Type locality

!Country

!Notes

!Images

Retymaijychampsa{{Cite journal |last=Müller |first=R. T. |title=A new proterochampsid archosauriform from the Middle–Upper Triassic of Southern Brazil |year=2025 |journal=Acta Palaeontologica Polonica |volume=70 |issue=1 |pages=7–16 |doi=10.4202/app.01204.2024 |doi-access=free }}

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Gen. et sp. nov

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Valid

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Müller

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Triassic (Ladinian or Carnian)

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Santa Maria Formation

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{{Flag|Brazil}}

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A member of the family Proterochampsidae. The type species is R. beckerorum.

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frameless

Thuringopelta{{Cite journal |last1=Sues |first1=H.-D. |last2=Schoch |first2=R. R. |year=2025 |title=A doswelliid archosauriform from the Upper Triassic (Carnian) Stuttgart Formation of Thuringia (Germany) |journal=Journal of Vertebrate Paleontology |at=e2455949 |doi=10.1080/02724634.2025.2455949 }}

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Gen. et sp. nov

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Valid

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Sues & Schoch

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Late Triassic (Carnian)

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Stuttgart Formation

|

{{Flag|Germany}}

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A member of the family Doswelliidae. The type species is T. werneburgi.

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==Archosauriform research==

  • Müller (2025) describes fossil material of a proterochampsid from the Middle Triassic strata from the Posto site (Pinheiros-Chiniquá Sequence; Brazil), possibly representing a previously undescribed species and expanding known diversity of Middle Triassic proterochampsids from South America.{{Cite journal |last=Müller |first=R. T. |title=New proterochampsid remains from the Middle Triassic of Brazil enhance the group's diversity during its origins |year=2025 |journal=The Science of Nature |volume=112 |issue=2 |at=28 |doi=10.1007/s00114-025-01981-5 |pmid=40126648 }}

Other reptiles

= New miscellaneous reptile taxa =

class="wikitable sortable" align="center" width="100%"
Name

!Novelty

!Status

!Authors

!Age

!Type locality

!Country

!Notes

!Images

Akkedops{{Cite journal |last1=Mooney |first1=E. D. |last2=Scott |first2=D. |last3=Reisz |first3=R. R. |year=2025 |title=A new stem saurian reptile from the late Permian of South Africa and insights into saurian evolution |journal=Swiss Journal of Palaeontology |volume=144 |issue=1 |at=10 |doi=10.1186/s13358-025-00351-y |doi-access=free |pmid=40027993 |pmc=11865139 }}

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Gen. et sp. nov

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Valid

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Mooney, Scott & Reisz

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Late Permian

|Endothiodon Assemblage Zone

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{{Flag|South Africa}}

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A stem-saurian. The type species is A. bremneri.

|frameless

Kapes signus{{Cite journal |last1=Riccetto |first1=M. |last2=Mujal |first2=E. |last3=Bolet |first3=A. |last4=De Jaime-Soguero |first4=C. |last5=De Esteban-Trivigno |first5=S. |last6=Fortuny |first6=J. |title=Tooth morphotypes shed light on the paleobiodiversity of Middle Triassic terrestrial vertebrate ecosystems from NE Iberian Peninsula (southwestern Europe) |year=2025 |journal=Rivista Italiana di Paleontologia e Stratigrafia |volume=131 |issue=1 |pages=39–62 |doi=10.54103/2039-4942/22340 |doi-access=free |bibcode=2025RIPS..13122340R }}

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Sp. nov

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Valid

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Riccetto et al.

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Middle Triassic (Anisian)

|

|

{{Flag|Spain}}

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A procolophonid

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Marmoretta drescherae{{Cite journal |last1=Guillaume |first1=A. R. D. |last2=Puértolas-Pascual |first2=E. |last3=Moreno-Azanza |first3=M. |title=Revisiting the choristodere and stem-lepidosaur specimens of the Guimarota Beds (Kimmeridgian, Portugal): taxonomic implications |year=2025 |journal=Acta Palaeontologica Polonica |volume=70 |issue=1 |pages=77–96 |doi=10.4202/app.01202.2024 |doi-access=free }}

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Sp. nov

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Valid

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Guillaume, Puértolas-Pascual & Moreno-Azanza

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Late Jurassic (Kimmeridgian)

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Alcobaça Formation

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{{Flag|Portugal}}

|

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= Other reptile research =

  • Piñeiro et al. (2025) reevaluate purported evidence for the presence of tail autotomy in mesosaurs, and consider it more likely that purported evidence of autotomy actually shows that mesosaurs may display a previously undocumented vertebral type in their caudal vertebrae.{{Cite journal|last1=Piñeiro |first1=G. |last2=Ferigolo |first2=J. |last3=Farias |first3=B. D. M. |last4=Núñez Demarco |first4=P. |last5=Laurin |first5=M. |year=2025 |title=Caudal autotomy in Mesosaurus tenuidens Gervais, 1865 under scrutiny and a surprising new pattern of vertebral organization in the mesosaur tail |journal=Geodiversitas |volume=47 |issue=2 |pages=17–38 |doi=10.5252/geodiversitas2025v47a2 |url=https://sciencepress.mnhn.fr/en/periodiques/geodiversitas/47/2 }}
  • A redescription of the skull anatomy of Milleropsis pricei is published by Jenkins et al. (2025) based on μCT data.{{Cite journal|last1=Jenkins |first1=X. A. |last2=Benson |first2=R. B. J. |last3=Ford |first3=D. P. |last4=Browning |first4=C. |last5=Fernandez |first5=V. |last6=Griffiths |first6=E. |last7=Choiniere |first7=J. |last8=Peecook |first8=B. R. |year=2025 |title=Cranial osteology and neuroanatomy of the late Permian reptile Milleropsis pricei and implications for early reptile evolution |journal=Royal Society Open Science |volume=12 |issue=1 |at=241298 |doi=10.1098/rsos.241298 |pmid=39780968 |pmc=11707879 |doi-access=free |bibcode=2025RSOS...1241298J }}
  • A redescription of the skull anatomy of Milleretta rubidgei is published by Jenkins et al. (2025) based on μCT data.{{Cite journal |last1=Jenkins |first1=Xavier A |last2=Benson |first2=Roger B J |last3=Elliott |first3=Maya |last4=Jeppson |first4=Gabriel |last5=Dollman |first5=Kathleen |last6=Fernandez |first6=Vincent |last7=Browning |first7=Claire |last8=Ford |first8=David P |last9=Choiniere |first9=Jonah |last10=Peecook |first10=Brandon R |date=2025-03-03 |title=New information on the anatomically derived millerettid Milleretta rubidgei from the latest Permian based on μCT data |journal=Zoological Journal of the Linnean Society |volume=203 |issue=3 |pages=zlaf004 |doi=10.1093/zoolinnean/zlaf004 |issn=0024-4082}}
  • Redescription and a study on the affinities of Thadeosaurus colcanapi is published by Buffa et al. (2025).{{Cite journal|last1=Buffa |first1=V. |last2=Jalil |first2=N.-E. |last3=Falconnet |first3=J. |last4=Vincent |first4=P. |year=2025 |title=The neodiapsid Thadeosaurus colcanapi from the upper Permian of Madagascar |journal=Papers in Palaeontology |volume=11 |issue=2 |at=e70008 |doi=10.1002/spp2.70008 |doi-access=free }}
  • Evidence of adaptations for climbing in the skeleton of Marmoretta oxoniensis is presented by Ford et al. (2025).{{cite journal |last1=Ford |first1=D. P. |last2=Benson |first2=R. B. J. |last3=Griffiths |first3=E. F. |last4=Evans |first4=S. E. |year=2025 |title=Evidence for clinging arboreality in a Middle Jurassic stem lepidosaur |journal=Proceedings of the Royal Society B: Biological Sciences |volume=292 |issue=2045 |at=20250080 |doi=10.1098/rspb.2025.0080 |pmid=40237078 }}
  • Colombi et al. (2025) report the discovery of an aggregation of four juvenile specimens of Hyperodapedon sanjuanensis from the Ischigualasto Formation (Argentina), interpreted as probable evidence of social and burrowing behavior of the studied rhynchosaur.{{Cite journal|last1=Colombi |first1=C. E. |last2=Martinez |first2=R. N. |last3=Alcober |first3=O. A. |last4=Díaz |first4=M. |last5=Drovandi |first5=J. M. |last6=Alarcón |first6=C. M. |title=First evidence of aggregational behaviour by the archosauromorph Hyperodapedon sanjuanensis from the Upper Triassic Ischigualasto Formation, Argentina: Evidence for burrow habitats? |year=2025 |journal=Palaeogeography, Palaeoclimatology, Palaeoecology |volume=662 |at=112742 |doi=10.1016/j.palaeo.2025.112742 |bibcode=2025PPP...66212742C }}

Reptiles in general

  • Review of the fossil record of Triassic-Jurassic reptiles from the Connecticut Valley (Connecticut and Massachusetts, United States) is published by Galton, Regalado Fernández & Farlow (2025), who consider Ammosaurus major to be a separate taxon from Anchisaurus polyzelus.{{Cite journal |last1=Galton |first1=P. M. |last2=Regalado Fernández |first2=O. R. |last3=Farlow |first3=J. O. |title=Bones of dinosaurs and other reptiles from the Triassic-Jurassic of the Connecticut Valley: Over 200 years of published history |year=2025 |journal=Revue de Paléobiologie, Genève |volume=44 |issue=2 |pages=1–45 |url=https://www.researchgate.net/publication/389025801 }}
  • Fossil material of nothosauroids, indeterminate eosauropterygians and a member of the genus Macrocnemus is described from the Ladinian Sceltrich beds (Meride Limestone, Monte San Giorgio, Switzerland) by Renesto & Magnani (2025), providing evidence of similarity of reptile faunas from the Sceltrich beds and underlying Cassina beds.{{Cite journal |last1=Renesto |first1=S. |last2=Magnani |first2=E. |title=Tetrapod remains from the Ladinian (Middle Triassic) Sceltrich beds of Monte San Giorgio UNESCO site |year=2025 |journal=Rivista Italiana di Paleontologia e Stratigrafia |volume=131 |issue=1 |pages=201–212 |doi=10.54103/2039-4942/27087 |doi-broken-date=20 March 2025 |doi-access=free }}
  • Evidence from the study of the phosphate oxygen isotope composition of plesiosaur, ichthyosaur and metriorhynchid fossil material from the Middle and Upper Jurassic strata in France and Upper Jurassic to Lower Cretaceous strata in Norway, interpret as consistent with homeothermy and endothermy in ichthyosaurs, poikilothermy and endothermy in plesiosaurs, and uncertain thermoregulation strategy resulting in poikilothermy in metriorhynchids, is presented by Séon et al. (2025).{{Cite journal |last1=Séon |first1=N. |last2=Vincent |first2=P. |last3=Delsett |first3=L. L. |last4=Poulallion |first4=E. |last5=Suan |first5=G. |last6=Lécuyer |first6=C. |last7=Roberts |first7=A. J. |last8=Fourel |first8=F. |last9=Charbonnier |first9=S. |last10=Amiot |first10=R. |title=Reassessment of body temperature and thermoregulation strategies in Mesozoic marine reptiles |year=2025 |journal=Paleobiology |pages=1–21 |doi=10.1017/pab.2025.2 |doi-access=free }}
  • Marquina-Blasco et al. (2025) describe the assemblage of reptile fossils from the Miocene strata from the Crevillente 2 and Crevillente 15 sites (Spain), possibly including the oldest fossil material of a member of the genus Timon reported to date, and interpret the studied fossils as indicating that the Vallesian Crisis did not have a major impact on the herpetofaunal communities of the Iberian Peninsula.{{Cite journal |last1=Marquina-Blasco |first1=R. |last2=Morales-Flores |first2=D. |last3=Bartolomé-Bombín |first3=Á. D. |last4=Montoya |first4=P. |title=Herpetofaunal remains (Anura, Crocodylia, Testudines, Squamata) from the Late Miocene of the Crevillente Area (SE Spain): palaeobiogeographical and palaeoecological implications |year=2025 |journal=Rivista Italiana di Paleontologia e Stratigrafia |volume=131 |issue=1 |pages=85–115 |doi=10.54103/2039-4942/22382 |doi-access=free |bibcode=2025RIPS..13122382M }}
  • Evidence from the study of extant reptiles, indicative of utility of studies of calcium and strontium isotope composition of hard tissues for reconstructions of diets of fossil reptiles, is presented by Weber et al. (2025).{{cite journal |last1=Weber |first1=M. |last2=Weber |first2=K. |last3=Winkler |first3=D. E. |last4=Tütken |first4=T. |year=2025 |title=Calcium and strontium isotopes in extant diapsid reptiles reflect dietary tendencies—a reference frame for diet reconstructions in the fossil record |journal=Proceedings of the Royal Society B: Biological Sciences |volume=292 |issue=2038 |at=20242002 |doi=10.1098/rspb.2024.2002 |doi-access=free |pmid=39772958 |pmc=11706660 }}

References