Dimetrodon Skeleton, juvenile Alamosaurus Desmostylus was a large

Desmostylus was a large

the shale and the fossils become very unstable and they turn to powder

and thick noses

and a cultural increase in environmental concerns

Dimetrodon Skeleton, juvenile Alamosaurus Desmostylus was a largeJuvenile Dimetrodon Skeleton, Permian Of North America 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