Proterochampsa

Proterochampsa is a genus of proterochampsid archosauromorph from the Late Triassic of Argentina and Brazil (Paleorrota). It normally measured 1.8–2 m (5.9–6.6 ft), though P. barrionuevoi, known from a 44 cm skull, could have grown up to 3.5 m (11 ft).