Dimetrodon Pérmico Its hind legs were long

Its hind legs were long and strong

which ranged from Alaska to northern Mexico

also known as Indricotherium

The horns and crest probably had functions in communication between individuals of the same species and in competition for the attention of potential mates

a prehistoric marine reptile that lived during the Late Cretaceous period

Dimetrodon Pérmico Its hind legs were longDimetrodon, (D. grandis, `Wedge toothed), is an extinct genus of non mammalian synapsids that lived during the Lower Permian Kungurian Age, between 295 and 272 million years ago, was a terrestrial animal and is believed to have inhabited in swampy areas and riverbanks, near bodies of fresh water where it could find food. It is a member of the Sphenacodontidae family and is the best known of the Pelycosaurs, especially for its spectacular sail. It