Chañares Formation
…reptiles were proterochampsids (Chanaresuchus, Tropidosuchus, and Gualosuchus), which lived alongside true archosaurs such as Lewisuchus, Lagerpeton, Marasuchus, Gracilisuchus, and Luperosuchus. Cynodonts were abundant, represented by the medium-sized traversodontid Massetognathus, as well as smaller carnivores…