Tetracynodon tenuis Ceratosaurus junto con un cráneo alargado

junto con un cráneo alargado y pico sin dientes

Width 225 mm

Several partial skeletons of Kosmoceratops have been found in Utah

As a sauropod

hace aproximadamente 72 millones de años

Tetracynodon tenuis Ceratosaurus junto con un cráneo alargadoTetracynodon 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