Tseajaia is an extinct genus of tetrapod. It was an anthracosaurian that lived in the Permian of North America. The skeleton is that of a medium sized, rather advanced reptile-like amphibian. In life it was about a meter (3 ft.) long and may have looked vaguely like an iguana, though slower and and with a more amphibian foot without claws. The dentition was somewhat blunt, indicating herbivory or possibly omnivory.

 Tseajaia was described from a single, fairly complete specimen and was given its own family by Robert L. Carroll. It was originally thought to be an seymouriamaorph. Additional finds allowing for a better taxonomic analysis indicate they belong in the Diadectomorpha, as the sister group to the large and more derived Diadectidae. Tseajaia itself being a fairly generalized form, gives a reasonable indication of the build and looks of the closest relatives of the amniotes.

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Tags: Антракозавры, Вымершие амфибии, Лабиринтодонты, Пермь

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