Temporal range: Late Triassic
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).
- The Beginning of the Age of Dinosaurs: Faunal Change across the Triassic-Jurassic Boundary by Kevin Padian
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