Seymouria, amphibian skeleton Tyrannosaurus Rex Typical of early carnivorous mammals

Typical of early carnivorous mammals

In some cases hundreds of stones

typifying the order Litopterna

See individual skull pages for more and better photos

Mioplosus was a voracious predator

Seymouria, amphibian skeleton Tyrannosaurus Rex Typical of early carnivorous mammalsSeymouria (pronounced see MORE ee ah) is named after Seymour, Texas where it was first found. It was an amphibian from the early Permian period. It was about 2 feet (60 cm) long. 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