Euparkeria (Ewer, 1965)

Desojo, Julia B., Ezcurra, Martin D. & Schultz, Cesar L., 2011, An unusual new archosauriform from the Middle-Late Triassic of southern Brazil and the monophyly of Doswelliidae, Zoological Journal of the Linnean Society 161 (4), pp. 839-871 : 870

EUPARKERIA

Character 106 (45 of Nesbitt et al., 2009a): in Euparkeria the presence of a posterior groove on the astragalus has been figured by Sereno (1991), and in consequence we codified this feature as present in this South African form [i.e. character state (1) instead of (0)].