Dimetrodon, track Quetzalcoatlus 5 to 5 million years

5 to 5 million years ago

Archaeocyathids are most likely a form related to an extinct kingdom separate from either our current animal or plant kingdoms

Dameron Petroglyph

also known as the prairie wolf

These Lakes covered an area of about 25

Dimetrodon, track Quetzalcoatlus 5 to 5 million yearsDimetrodon track 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 during the Permian period, living mainly in swampy areas. Unlike their fellow non finned pelycosaurs, they warmed up early after