Unaysauridae
Unaysauridae is a family of basal sauropodomorphs from the Late Triassic of India and Brazil.Unaysauridae was defined by Müller et al. as the most inclusive clade including Unaysaurus tolentinoi, but not Plateosaurus engelhardti nor Saltasaurus loricatus.
Members of Unaysauridae are diagnosed by a substantially expanded cranial part of the medial condyle of the astragalus, as well as a promaxillary fenestra. Unaysauridae is sister to Plateosauria, more derived than Nambalia, Thecodontosaurus ISI R277, Pantydraco, and Efraasia. Unaysaurus and Jaklapallisaurus had previously been assigned to Plateosauridae by prior authors.
