Euclastes

Euclastes; Temporal range: Ma PreꞒ Ꞓ O S D C P T J K Pg N
	Euclastes sp. skeleton
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Clade:	Pancheloniidae
Genus:	†Euclastes; Cope, 1867
Species
	†E. acutirostris Jalil et al., 2009; †E. platyops Cope, 1867; †E. wielandi (Hay, 1908);
Synonyms
	Seeley 1871; Rhetechelys Hay, 1908; Osteopygoides Karl et al., 1998; Catapleura Cope, 1870;

Euclastes is an

Mexichelys coahuilaensis in 2010.^[4]^[5]

Description

Unlike the sea turtles

dentary bone with an elongated symphysis; and low tomial ridge on the beak. The widened palate and dentaries give Eochelone wide, flat jaws suitable for crushing hard-shelled organisms.^[3]

Classification

Species

†E. acutirostris Jalil et al., 2009

†E. platyops Cope, 1867

†E. wielandi (Hay, 1908)

Phylogeny

Cladogram based on Lynch and Parham (2003)^[3] and Parham and Pyenson (2010):^[7]

Cheloniidae sensu lato

Toxochelys

Mexichelys

Lophochleyinae

Euclastes

Argillochelys

Eochelone

Erquelinnesla

Pacifichelys

Puppigerus

Cheloniidae sensu stricto

Distribution

Fossils of Euclastes have been found in:^[8]

Maastrichtian

Bentiaba, Angola^[9]

Quiriquina Formation, Chile

Hornerstown and Navesink Formations, New Jersey

Paleocene

Jagüel and Roca Formations, Argentina

Aquia and Brightseat Formations, Maryland

Sidi Chennane and Couche 2 Formation, Morocco

Eocene

Parkers Ferry Formation, South Carolina

References

S2CID 62811400
.

S2CID 236504236
.

^ ^a ^b ^c Lynch, S.C.; Parham, J.F. (2003). "The first report of hard-shelled sea turtles (Cheloniidae sensu lato) from the Miocene of California, including a new species (Euclastes hutchisoni) with unusually plesiomorphic characters" (PDF). PaleoBios. 23 (3): 21–35.^{[permanent dead link]}

^ Euclastes coahuilaensis from the Paleobiology Database

^ Exibidos fósseis de tartarugas com 72 mi de anos

doi:10.4202/app.2008.0063
.

S2CID 62811400
.

^ Euclastes at Fossilworks.org

^ Mateus, O., M. J. Polcyn, L. L. Jacobs, R. Arujo, A. S. Schulp, J. Marinheiro, B. Pereira and D. Vineyard. 2012. Cretaceous amniotes from Angola: dinosaurs, pterosaurs, mosasaurs, plesiosaurs, turtles. Actas de V Jornadas Internacionales sobre Paleontologia de Dinosaurios y su Entorno, Salas de los Infantes, Burgos 71-105

External links

www.scistp.org

Retrieved from "https://en.wikipedia.org/w/index.php?title=Euclastes&oldid=1095802897"

[1] S2CID 62811400
.

[2] S2CID 236504236
.

[LP03-3] Lynch, S.C.; Parham, J.F. (2003). "The first report of hard-shelled sea turtles (Cheloniidae sensu lato) from the Miocene of California, including a new species (Euclastes hutchisoni) with unusually plesiomorphic characters" (PDF). PaleoBios. 23 (3): 21–35.^{[permanent dead link]}

[4] Euclastes coahuilaensis from the Paleobiology Database

[5] Exibidos fósseis de tartarugas com 72 mi de anos

[6] doi:10.4202/app.2008.0063
.

[Parham&Pyenson-7] S2CID 62811400
.

[8] Euclastes at Fossilworks.org

[9] Mateus, O., M. J. Polcyn, L. L. Jacobs, R. Arujo, A. S. Schulp, J. Marinheiro, B. Pereira and D. Vineyard. 2012. Cretaceous amniotes from Angola: dinosaurs, pterosaurs, mosasaurs, plesiosaurs, turtles. Actas de V Jornadas Internacionales sobre Paleontologia de Dinosaurios y su Entorno, Salas de los Infantes, Burgos 71-105

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