Postosuchus Kirkpatricki stock image
At the dawn of the Age of Dinosaurs, one of the world's top predators was Postosuchus, a bipedal land-living rauisuchid. Although it might seem like a theropod dinosaur, Postosuchus and other rauisuchids were more closely related to crocodilians than dinosaurs.
Illustration by Sergey Meleshin