Dimetrodon berea (Dimetropus), tracks from West Virginia Troodon This ray shared the seas

This ray shared the seas with Ichthyosarus and Plesiosaurs

" was a huge

but was a closely

Duckbill tibia

Another skull was unearthed in 1969 by Richard at Koobi Fora near the Lake Turkana region

Dimetrodon berea (Dimetropus), tracks from West Virginia Troodon This ray shared the seasDimetrodon berea (Dimatropus berea) Dimetrodon was a sail backed, meat eating animal that lived during the late Pennsylvanian and Permian Period, roughly 280 million 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