Seymouria, amphibian skeleton Compsognathus The matrix is 8 x

The matrix is 8 x 6 x 4 inches

The tail was the primary means of locomotion

Fossils of Thescelosaurus

Ornithomimus lived in the late Cretaceous period

Robert Gaston

Seymouria, amphibian skeleton Compsognathus The matrix is 8 xSeymouria (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