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 1 metre (3 ft) long and may have looked vaguely like an iguana, though slower and with a more amphibian foot without claws. The dentition was somewhat blunt, indicating herbivory or possibly omnivory.