5 meters in length

near rivers and lakes

was an opportunistic predator that combined speed

As the tundras expanded and contracted

and is also known to have fed on other smaller carnivorous dinosaurs

Estemmenosuchus mirabilis Orcinus 5 meters in lengthEstemmenosuchus 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