Creature:Prota spinax

This is a creature that lived on earth during the Late Permian through Early Jurassic. It is a dragon with large back legs and small, useless front legs. Its primary prey was-in all periods-small Scutosauurus, Lystrosaurus, Megazastrodon, Coleophysis, Syntarsus, and ocasionally Dilophosaurus. It became extinct about 199 million years ago, due to competition from its decendants, the Wyverns (because it had no wings), and the larger land Dinosaurs such as Allosaurus and Ceratosaurus.