Übersetzen...
Automatische Übersetzung:
Resembling modern day hippopotami, three Estemmenosuchus mirabilis face off in a Paleozoic lake 255 million years ago in what is today the Perm region of Russia near the Ural Mountains. About the size of a modern adult bull, Estemmenosuchus mirabilis was a plant-eating early ancestor of today's mammals.