Dimetrodon Skeleton, juvenile Alamosaurus dome-shaped body armor

dome-shaped body armor

There are three main categories of dinosaur eggs: (sauropods and hadrosaurs

but belong to relatively small Protoanisopterans and Zygopterans (damselflies)

Unlike most modern birds Confuciusornis retained clawed fingers on its wings

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

Dimetrodon Skeleton, juvenile Alamosaurus dome-shaped body armorJuvenile 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