near rivers and lakes

As the tundras expanded and contracted

wyomingensis `Thick-headed Lizard´) was a browsing herbivorous dinosaur that lived during the Late Cretaceous period

grasslands

was an opportunistic predator that combined speed

Estemmenosuchus mirabilis Orcinus near rivers and lakesEstemmenosuchus mirabilis was an extinct species that lived during the Permian period, approximately 270 million years ago. It was a therapsid, a group of reptile predecessors of mammals, and was characterized by its unique and distinctive appearance, it could measure about 3 meters. This animal had a robust and compact body, with short and strong legs that allowed it to move with stability on land. Its skull was large and broad, with a peculiar box