Dimetrodon skeleton Ankylosaurus Chasmosaur skull

Chasmosaur skull

South Dakota

and was subsequently able to restore it to it rightful place

Envision the power of the living animal that once had this tooth

Dimetrodon skeleton Ankylosaurus Chasmosaur skullPronounced (die MET roh don) Dimetrodon was a prehistoric animal with a large sail; it was not a dinosaur but a pelycosaur, an early synapsid. Dimetrodon (meaning two measure teeth) was a sail backed, meat eating animal that lived during the Permian Period, roughly 280 MYA years ago, before the dinosaurs evolved. It was a so called mammal like reptile, a pelycosaur; pelycosaurs were the ancestors of the mammals. Dimetrodon was a dominant carnivore