PaleoDB taxon number: 141909
Full reference: E. C. Olson. 1974. On the Source of Therapsids. Annals of the South African Museum 64:27-46
Sister taxa: none
Type specimen: UCMP 143278 (formerly UCLA VP 3132), a partial skeleton (partial skull, anterior dorsal vertebrae, partial pectoral girdle, ribs, gastralia, and limb elelments). Its type locality is BC-7 (Chickasha Formation), which is in a Roadian/Wordian deltaic sandstone/shale in the Chickasha Formation of Oklahoma.