2021 in reptile paleontology

Last updated

List of years in reptile paleontology
In science
2018
2019
2020
2021
2022
2023
2024
In paleobotany
2018
2019
2020
2021
2022
2023
2024
In paleontology
2018
2019
2020
2021
2022
2023
2024
In arthropod paleontology
2018
2019
2020
2021
2022
2023
2024
In paleoentomology
2018
2019
2020
2021
2022
2023
2024
In paleomalacology
2018
2019
2020
2021
2022
2023
2024
In archosaur paleontology
2018
2019
2020
2021
2022
2023
2024
In mammal paleontology
2018
2019
2020
2021
2022
2023
2024
In paleoichthyology
2018
2019
2020
2021
2022
2023
2024

This list of fossil reptiles described in 2021 is a list of new taxa of fossil reptiles that were described during the year 2021, as well as other significant discoveries and events related to reptile paleontology that occurred in 2021.

Contents

Squamates

New taxa

NameNoveltyStatusAuthorsAgeType localityLocationNotesImages

Afrotortrix [1]

Gen. et sp. nov

Valid

Rage et al.

Eocene

Flag of Algeria.svg  Algeria

An anilioid-grade snake. The type species is A. draaensis.

Caeruleodentatus [2]

Gen. et sp. nov

Valid

Scarpetta

Miocene

Split Rock Formation

Flag of the United States.svg  United States
(Flag of Wyoming.svg  Wyoming)

A member of Iguania. Genus includes new species C. lovei.

Ectenosaurus everhartorum [3]

Sp. nov

Valid

Willman, Konishi & Caldwell

Late Cretaceous

Flag of the United States.svg  United States
(Flag of Kansas.svg  Kansas)

A plioplatecarpine mosasaur.

Elgaria peludoverde [4]

Sp. nov

Valid

Scarpetta, Ledesma & Bell

Pliocene

Olla Formation

Flag of the United States.svg  United States
(Flag of California.svg  California)

A species of Elgaria .

Heterodon meadi [5]

Sp. nov

Valid

Jurestovsky

Hemphillian

Gray Fossil Site

Flag of the United States.svg  United States
(Flag of Tennessee.svg  Tennessee)

A species of Heterodon .

Leiocephalus roquetus [6]

Sp. nov

Valid

Bochaton, Charles & Lenoble

Quaternary

Flag of France.svg  France
(La Désirade Island)

A curly-tailed lizard.

Morohasaurus [7]

Gen. et sp. nov

In press

Ikeda et al.

Early Cretaceous

Ohyamashimo Formation

Flag of Japan.svg  Japan

A member or a relative of the group Monstersauria. Genus includes new species M. kamitakiens.

Oculudentavis naga [8]

Sp. nov

Valid

Bolet et al.

Late Cretaceous (Cenomanian)

Burmese amber

Flag of Myanmar.svg  Myanmar

A lizard of uncertain phylogenetic placement.

Oculudentavis remains.png

Palaeopython schaali [9]

Sp. nov

In press

Smith & Scanferla

Eocene

Messel pit

Flag of Germany.svg  Germany

Palaeovaranus lismonimenos [10]

Sp. nov

Valid

Georgalis, Čerňanský & Klembara

Probably late Eocene

Quercy Phosphorites Formation

Flag of France.svg  France

A member of Anguimorpha belonging to the family Palaeovaranidae.

Paleochelco [11]

Gen. et sp. nov

Valid

Martinelli, Agnolín & Ezcurra

Late Cretaceous (Santonian)

Bajo de la Carpa Formation

Flag of Argentina.svg  Argentina

Possibly a member of Polyglyphanodontia. The type species is P. occultato.

Paranecrosaurus [12]

Gen. et comb. nov

Valid

Smith & Habersetzer

Eocene

Messel Formation

Flag of Germany.svg  Germany

A palaeovaranid anguimorph.
The type species is "Saniwa" feisti Stritzke (1983).

Paranecrosaurus feisti - Milan img1.jpg

Phosphoroboa [13]

Gen. et comb. nov

Valid

Georgalis, Rabi & Smith

Probably middle or late Eocene

Quercy Phosphorites Formation

Flag of France.svg  France

A snake belonging to the group Booidea. The type species is "Palaeopython" filholii Rochebrune (1880).

Pluridens serpentis [14]

Sp. nov

Valid

Longrich et al.

Late Cretaceous (Maastrichtian)

Ouled Abdoun Basin

Flag of Morocco.svg  Morocco

A mosasaur.

Proegernia mikebulli [15]

Sp. nov

Valid

Thorn et al.

Late Oligocene

Namba Formation

Flag of Australia (converted).svg  Australia

An egerniine skink.

Protodraco [16]

Gen. et sp. nov

Valid

Wagner et al.

Late Cretaceous (Cenomanian)

Burmese amber

Flag of Myanmar.svg  Myanmar

A member of the family Agamidae. Genus includes new species P. monocoli.

Pseudeumeces kyrillomethodicus [10]

Sp. nov

Valid

Georgalis, Čerňanský & Klembara

Probably Oligocene

Quercy Phosphorites Formation

Flag of France.svg  France

A member of the family Lacertidae belonging to the subfamily Gallotiinae.

Rageryx [17]

Gen. et sp. nov

Valid

Smith & Scanferla

Eocene (Ypresian or Lutetian)

Messel Formation

Flag of Germany.svg  Germany

An erycine boid snake. The type species is R. schmidi.

Sciroseps [18]

Gen. et sp. nov

Valid

Suarez et al.

Early Cretaceous (Albian)

Holly Creek Formation

Flag of the United States.svg  United States
(Flag of Arkansas.svg  Arkansas)

A member of the family Paramacellodidae. The type species is S. pawhuskai.

Sciroseps.jpg

Xenodens [19]

Gen. et sp. nov

Valid

Longrich et al.

Late Cretaceous (Maastrichtian)

Ouled Abdoun Basin

Flag of Morocco.svg  Morocco

A mosasaurine mosasaur. Genus includes new species X. calminechari.

Xenodens calminechari holotype prepared by Nick Longrich.jpg

Research

Ichthyosauromorphs

New taxa

NameNoveltyStatusAuthorsAgeType localityLocationNotesImages

Auroroborealia [43]

Gen. et sp. nov

In press

Zverkov et al.

Late Triassic

Flag of Russia.svg  Russia
(Flag of Sakha.svg  Sakha)

An early ichthyosaur of uncertain phylogenetic placement, possibly with toretocnemid or parvipelvian affinities. Genus includes new species A. incognita.

Catutosaurus [44]

Gen. et sp. nov

Valid

Fernández et al.

Late Jurassic (Tithonian)

Flag of Argentina.svg  Argentina

An ichthyosaur belonging to the family Ophthalmosauridae. Genus includes new species C. gaspariniae.

Cymbospondylus youngorum [45]

Sp. nov

Sander et al.

Middle Triassic (Anisian)

Favret Formation

Flag of the United States.svg  United States
(Flag of Nevada.svg  Nevada)

Kazakhstanosaurus [46] Gen. et sp. novBolatovna and Maksutovich Late Jurassic Flag of Kazakhstan.svg  Kazakhstan Flag of Russia.svg  Russia An ichthyosaur belonging to the family Ophthalmosauridae. Genus includes new species K. shchuchkinensis and K. efimovi.
Kyhytysuka [47] Gen. et comb. novCortés, Maxwell, and Larsson Early Cretaceous (Barremian-Aptian) Paja Formation Flag of Colombia.svg  Colombia An ichthyosaur belonging to the family Ophthalmosauridae. The type species is "Platypterygius" sachicarum Páramo (1997).

Jabalisaurus [48]

Gen. et sp. nov

Valid

Barrientos-Lara and Alvarado-Ortega

Late Jurassic (Kimmeridgian)

La Casita Formation

Flag of Mexico.svg  Mexico

An ichthyosaur belonging to the family Ophthalmosauridae. The type species is J. meztli

Parrassaurus [49]

Gen. et sp. nov

Valid

Barrientos-Lara & Alvarado-Ortega

Late Jurassic (Tithonian)

La Caja Formation

Flag of Mexico.svg  Mexico

An ichthyosaur belonging to the family Ophthalmosauridae. The type species is P. yacahuitztli

Sumpalla [50]

Gen. et sp. nov

Valid

Campos et al.

Late Jurassic

Vaca Muerta

Flag of Argentina.svg  Argentina

An ichthyosaur belonging to the family Ophthalmosauridae. Genus includes new species S. argentina

Research

Sauropterygians

New taxa

NameNoveltyStatusAuthorsAgeType localityLocationNotesImages

Eiectus [58]

Gen. et sp. nov

Valid

Noè & Gómez-Pérez

Early Cretaceous (Aptian and Albian)

Flag of Australia (converted).svg  Australia

A pliosaurid. Genus includes new species E. longmani.

Fluvionectes [59]

Gen. et sp. nov

Valid

Campbell et al.

Late Cretaceous (Campanian)

Dinosaur Park Formation

Flag of Canada (Pantone).svg  Canada
(Flag of Alberta.svg  Alberta)

An elasmosaurid plesiosaur. The type species is F. sloanae.

Fluvionectes Scale.svg

Monquirasaurus [58]

Gen. et comb. nov

Valid

Noè & Gómez-Pérez

Early Cretaceous

Flag of Colombia.svg  Colombia

A pliosaurid; a new genus for "Kronosaurus" boyacensis Hampe (1992).

Plesiopharos [60]

Gen. et sp. nov

Valid

Puértolas-Pascual et al.

Early Jurassic (Sinemurian)

Coimbra Formation

Flag of Portugal.svg  Portugal

An early member of Plesiosauroidea. The type species is P. moelensis.

Wumengosaurus rotundicarpus [61] Sp. novValidQin et al. Middle Triassic (Anisian)Flag of the People's Republic of China.svg  China A possible pachypleurosaur; a species of Wumengosaurus .

Research

Turtles

New taxa

NameNoveltyStatusAuthorsAgeType localityLocationNotesImages

Adocus kohaku [ citation needed ]

Sp. nov

Valid

Hirayama et al.

Late Cretaceous (Turonian)

Tamagawa Formation

Flag of Japan.svg  Japan

Akoranemys [77] Gen. et sp. novIn pressPérez-GarcíaLate Cretaceous (Cenomanian)Flag of Madagascar.svg  Madagascar A member of the family Bothremydidae belonging to the tribe Bothremydini and subtribe Bothremydina. Genus includes new species A. madagasika.

Apeshemys [78]

Gen. et comb. nov

Valid

Pérez-García

Miocene (Burdigalian)

Moghra Formation

Flag of Egypt.svg  Egypt

A member of the family Podocnemididae belonging to the subfamily Erymnochelyinae. The type species is "Podocnemis" aegyptiaca Andrews (1900).

Chelonoidis petrocellii [79]

Sp. nov

Valid

Agnolin

Middle Pleistocene

Flag of Argentina.svg  Argentina

A tortoise, a species of Chelonoidis .

Elkanemys [80]

Gen. et sp. nov

In press

Maniel, de la Fuente & Canale

Late Cretaceous (Cenomanian)

Candeleros Formation

Flag of Argentina.svg  Argentina

A member of the family Bothremydidae belonging to the tribe Cearachelyini. Genus includes new species E. pritchardi.

Globochelus [81]

Gen. et sp. nov

Valid

De Lapparent de Broin, Breton & Rioult

Late Jurassic (Kimmeridgian)

Flag of France.svg  France

A member of the family Plesiochelyidae. Genus includes new species G. lennieri.

Notapachemys [82]

Gen. et sp. nov

Valid

Bourque

Eocene (Chadronian)

Chadron Formation

Flag of the United States.svg  United States
(Flag of Nebraska.svg  Nebraska)

A member of the family Geoemydidae. The type species is N. oglala.

Palatobaena knellerorum [83]

Sp. nov

Valid

Lyson et al.

Paleocene (Danian)

Denver Formation

Flag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)

A member of the family Baenidae.

Plastomenus joycei [84]

Sp. nov

Valid

Lyson, Petermann & Miller

Paleocene (Danian)

Denver Formation

Flag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)

A soft-shelled turtle.

Pleurochayah [85]

Gen. et sp. nov

Valid

Adrian et al.

Late Cretaceous (Cenomanian)

Lewisville Formation

Flag of the United States.svg  United States
(Flag of Texas.svg  Texas)

A member of the family Bothremydidae. The type species is P. appalachius.

Pleurosternon moncayensis [86]

Sp. nov

In press

Pérez-García et al.

Jurassic-Cretaceous transition

Flag of Spain.svg  Spain

Sahonachelys [87]

Gen. et sp. nov

Valid

Joyce et al.

Late Cretaceous (Maastrichtian)

Maevarano Formation

Flag of Madagascar.svg  Madagascar

A member of Pleurodira belonging to the group Pelomedusoides. The type species is S. mailakavava.

Sahonachelys life restoration.jpg

Shetwemys [78]

Gen. et comb. nov

Valid

Pérez-García

Oligocene (Rupelian)

Jebel Qatrani Formation

Flag of Egypt.svg  Egypt

A member of the family Podocnemididae belonging to the subfamily Erymnochelyinae. The type species is "Podocnemis" fajumensis Andrews (1903).

Shetwemys carapax - Garcia 2021.png

Sindhochelys [88]

Gen. et sp. nov

Valid

Lapparent de Broin et al.

Paleocene (probably early Danian)

Khadro Formation

Flag of Pakistan.svg  Pakistan

A member of the family Bothremydidae. The type species is S. ragei.

Yakemys [89] Gen. et sp. novTong et al. Early Cretaceous Phu Kradung Formation Flag of Thailand.svg  Thailand A member of Macrobaenidae. The type species is Y. multiporcata.
Yakemys remains.png

Research

Archosauriformes

Archosaurs

Other archosauriforms

New taxa

NameNoveltyStatusAuthorsAgeType localityLocationNotesImages

Bharitalasuchus [115]

Gen. et sp. nov

Valid

Ezcurra, Bandyopadhyay & Gower

Middle Triassic

Yerrapalli Formation

Flag of India.svg  India

A member of the family Erythrosuchidae. The type species is B. tapani.

Heteropelta [116]

Gen. et sp. nov

Valid

Dalla Vecchia

Middle Triassic (Anisian)

Torbiditi d’Aupa Formation

Flag of Italy.svg  Italy

A member of Archosauriformes of uncertain phylogenetic placement, possibly a basal archosauriform, basal phytosaur or a suchian archosaur. The type species is H. boboi.

Incertovenator [117]

Gen. et sp. nov

Valid

Yáñez et al.

Late Triassic

Ischigualasto Formation

Flag of Argentina.svg  Argentina

An archosauriform (possibly an archosaur) of uncertain phylogenetic placement. The type species is I. longicollum.

Incertovenator dorsal verts.png

Kranosaura [118]

Gen. et sp. nov

Valid

Nesbitt et al.

Late Triassic (Norian)

Upper Maleri Formation

Flag of India.svg  India

A dome-headed archosauriform closely related to Triopticus , with which it forms the new clade Protopyknosia. The type species is K. kuttyi.

Syntomiprosopus [119]

Gen. et sp. nov

Valid

Heckert et al.

Late Triassic (Norian)

Chinle Formation

Flag of the United States.svg  US
(Flag of Arizona.svg  Arizona)

A short-faced archosauriform of uncertain affinity, possibly an early-diverging crocodylomorph. The type species is S. sucherorum.

Research

  • A study on the femoral shape variation and on the relationship between femoral morphology and locomotor habits in early archosaurs and non-archosaur archosauriforms is published by Pintore et al. (2021). [120]
  • Fossil material of a member of the genus Doswellia belonging or related to the species D. kaltenbachi is described from the Upper Triassic Chinle Formation (Arizona, United States) by Parker et al. (2021), who interpret this finding as evidence of biogeographic links between the vertebrate assemblage from the Chinle Formation and other Late Triassic assemblages from Texas and Virginia. [121]
  • A study on bone histology of proterochampsid specimens from the Triassic Chañares Formation (Argentina), aiming to infer history traits related to growth dynamics, ontogenetic changes, dermal armor histogenesis and lifestyle, is published by Ponce et al. (2021). [122]
  • A large phytosaur specimen likely belonging to the species Smilosuchus gregorii, preserved with evidence of pathologies evoking aspects of both osteomyelitis and hypertrophic osteopathy, is described from Norian strata near St. Johns (Arizona, United States) by Heckert, Viner & Carrano (2021). [123]
  • A study on the enamel microstructure of phytosaur teeth from western and eastern North American localities, evaluating their implications for the knowledge of biogeographic distributions and ecology of phytosaurs, is published by Hoffman, Miller-Camp & Heckert (2021). [124]

Other reptiles

New taxa

NameNoveltyStatusAuthorsAgeType localityLocationNotesImages

Balearosaurus [125]

Gen. et sp. nov

Valid

Matamales-Andreu et al.

Permian

Flag of Spain.svg  Spain

A moradisaurine captorhinid. Genus includes new species B. bombardensis.

Delorhynchus multidentatus [126]

Sp. nov

Rowe et al.

Permian (Cisuralian)

Flag of the United States.svg  United States
(Flag of Oklahoma.svg  Oklahoma)

Elorhynchus [127]

Gen. et sp. nov

Valid

Ezcurra et al.

Triassic (LadinianCarnian)

Chañares Formation

Flag of Argentina.svg  Argentina

A rhynchosaur. Genus includes new species E. carrolli.

Karutia [128]

Gen. et sp. nov

Valid

Cisneros et al.

Permian (Cisuralian)

Pedra de Fogo Formation

Flag of Brazil.svg  Brazil

A member of the family Acleistorhinidae. Genus includes new species K. fortunata.

Mengshanosaurus [129] Gen. et sp. novValidMeng et al. Early Cretaceous (Berriasian-Valanginian) Mengyin Formation Flag of the People's Republic of China.svg  China A choristodere belonging to Neochoristodera, the type species is M. minimus.

Microsphenodon [130]

Gen. et sp. nov

Valid

Chambi-Trowell et al.

Late Triassic (Norian)

Flag of Brazil.svg  Brazil

An early eusphenodontian rhynchocephalian. Genus includes new species M. bonapartei.

Microsphenodon.PNG

Oryporan [131]

Gen. et sp. nov

Valid

Pinheiro, Silva-Neves & Da-Rosa

Early Triassic

Sanga do Cabral Formation

Flag of Brazil.svg  Brazil

A procolophonid parareptile. Genus includes new species O. insolitus.

Rhodotheratus [132]

Gen. et comb. nov

Valid

Albright, Sumida & Jung

Early Permian

Hennessey Formation

Flag of the United States.svg  United States
(Flag of Oklahoma.svg  Oklahoma)

A captorhinid. Genus includes "Captorhinikos" parvus Olson (1970).

Sphenofontis [133]

Gen. et sp. nov

Valid

Villa et al.

Late Jurassic (Kimmeridgian)

Torleite Formation

Flag of Germany.svg  Germany

A rhynchocephalian belonging to the family Sphenodontidae. The type species is S. velserae.

Sphenofontis.png

Stauromatodon [134]

Gen. et sp. nov

Valid

Sobral, Sues & Schoch

Middle Triassic (Ladinian)

Erfurt Formation

Flag of Germany.svg  Germany

A diapsid reptile of uncertain phylogenetic placement. Genus includes new species S. mohli.

Taytalura [135]

Gen. et sp. nov

Valid

Martínez et al.

Late Triassic

Ischigualasto Formation

Flag of Argentina.svg  Argentina

A stem-lepidosaur. Genus includes new species T. alcoberi.

Tika [136]

Gen. et sp. nov

Valid

Apesteguía, Garberoglio & Gómez

Late Cretaceous (Cenomanian)

Candeleros Formation

Flag of Argentina.svg  Argentina

A sphenodontine sphenodontid. Genus includes new species T. giacchinoi.

Trullidens [137]

Gen. et sp. nov

Valid

Kligman et al.

Late Triassic (Norian)

Flag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)

A rhynchocephalian belonging to the group Opisthodontia. Genus includes new species T. purgatorii.

Vinitasaura [138]

Gen. et sp. nov

Valid

Sues & Kligman

Late Triassic (Carnian)

Vinita Formation

Flag of the United States.svg  United States
(Flag of Virginia.svg  Virginia)

A member of Lepidosauromorpha. Genus includes new species V. lizae.

Research

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References

  1. Rage, J.-C.; Adaci, M.; Bensalah, M.; Mahboubi, M.; Marivaux, L.; Mebrouk, F.; Tabuce, R. (2021). "Latest Early-early Middle Eocene deposits of Algeria (Glib Zegdou, HGL50), yield the richest and most diverse fauna of amphibians and squamate reptiles from the Palaeogene of Africa" (PDF). Palæovertebrata. 44 (1): e1. doi:10.18563/pv.44.1.e1. S2CID   233892725.
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