The type species is S. halli . Sellosaurus was named in 1908 by paleontologist von Huene. 21 Partial skeletons, together with gastroliths , were found in Germany. The type species is S. gracilis . PAUL C. Paul C. Sereno is a US paleontologist from the University of Chicago who has worked in South America, Asia and Africa.
Serrated teeth are good for cutting through meat.
It is very difficult to determine which fossils were male and which were female. It had a strong backbone, four short, sturdy legs, and a short tail, Unlike other amphibians, Seymouria had relatively shorter jaws, ears marked by a notch, and the skull had fewer bones. Its long bones feet and digits were almost like that of a reptile. Seymouria laid its eggs in water. Fossils have been found in North America .