Tetracynodon tenuis Dromeosaur In this ecosystem

In this ecosystem

its physiology was well adapted to an arid and harsh environment characteristic of the early Triassic

as many ceratopsians display complex social behaviors

indicative of their carnivorous and predatory nature

Tetracynodon tenuis Dromeosaur In this ecosystemTetracynodon tenuis was a small therapsid of the cynodont group that lived during the Late Permian Period and possibly briefly survived the mass extinction event that marked the boundary with the Triassic , approximately 252 million years ago. Its fossils have been found in South Africa, a region that has provided much evidence of the transition from mammal like reptiles to the first mammals. Tetracynodon represents one of the earliest cynodonts and