Seymouria, amphibian skeleton Compsognathus left a series of half-tracks

left a series of half-tracks on its return to the treeline

In some cases hundreds of stones

Ornithomimus lived in the late Cretaceous period

The tail was the primary means of locomotion

Spinosaurus was the biggest of all the carnivorous dinosaurs

Seymouria, amphibian skeleton Compsognathus left a series of half-tracksSeymouria (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