Thrinaxodon is an extinct genus of cynodonts which lived in what are now South Africa and Antarctica during the Early Triassic. The genus contains a single species, T. liorhinus.
Thrinaxodon liorhinus skeleton
The American Museum journal )
Restoration
The skull of specimen AMNH 5630 in the American Museum of Natural History, from South Africa
The theriodonts are a major group of therapsids which appeared during the Middle Permian and which includes the gorgonopsians and the eutheriodonts, itself including the therocephalians and the cynodo