Fig. 1. A in Mandibles of mastodonsaurid temnospondyls from the Upper Permian-Lower Triassic of Uruguay

Fig. 1. A. Location of the outcrops near Colonia Orozco, Cerro Largo County, northeastern Uruguay, where the fossils described herein were collected. B. Generalized stratigraphic section of the Permo−Triassic Buena Vista Formation of Uruguay showing the position of the mastodonsaurids with respect to the other components of the Colonia Orozco fauna. The vertical scale on the left is in meters.