Wikipedia
Therioherpeton
Therioherpeton is a genus based on Therioherpeton cargnini, a small cynodont who lived in the Triassic and was collected in Santa Maria, Santa Maria Formation, the Geopark of Paleorrota, Brazil. It was a small carnivore. For his characteristic (Barberena & Bonaparte, 1975), was touted as a likely ancestor of mammals.