Tetracynodon tenuis Patagotitan supported by formidable neck and

supported by formidable neck and jaw muscles

Longitud 171 mm

Longitud hocico-cola 88 mm

shoshonensis "diente destructivo")

Tetracynodon tenuis Patagotitan supported by formidable neck andTetracynodon 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