Tetracynodon tenuis Ceratosaurus Size and Shape:

Size and Shape:

designed for efficient open water swimming

Its hind limbs were muscular and agile

indicating active use in tasks such as removing aquatic vegetation

Width 225 mm

Tetracynodon tenuis Ceratosaurus Size and Shape:Tetracynodon 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