Psephochelys
Psephochelys Temporal range: Late Triassic
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Scientific classification ![]() |
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Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Superorder: | †Sauropterygia |
Order: | †Placodontia |
Family: | †Placochelyidae |
Genus: | †Psephochelys Li and Rieppel, 2002 |
Type species | |
<templatestyles src="Noitalic/styles.css"/>†Psephochelys polyosteoderma Li and Rieppel, 2002
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Psephochelys is an extinct genus of placodont reptile from the Late Triassic of China. It is represented by a single species, Psephochelys polyosteoderma, named in 2002 on the basis of a single partial skeleton found in an outcrop of the Carnian-age Falong Formation in Guizhou Province. Psephochelys is classified as a member of the family Placochelyidae, which is within the larger placodont superfamily Cyamodontoidea. Like other cyamodontoids, Psephochelys has a wide shell covering its body, similar to that of a turtle. However, unlike those of other cyamodontoids, the shell of Psephochelys only covers its back. The plastron, which covers the underside of other cyamodontoids, is absent, and in its place are rib-like gastralia surrounded by loosely connecting osteoderms or bony plates.[1]
References
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