PaleoDB taxon number: 120891
Full reference: E. C. Olson. 1965. New Permian vertebrates from the Chickasha Formation in Oklahoma. Circular Oklahoma Geological Survey 70:1-70
Sister taxa: none
Type specimen: CNHM (FMNH) UR 986, a partial skeleton. Its type locality is BC-8 (Chickasha Formation), which is in a Roadian/Wordian deltaic shale/shale in the Chickasha Formation of Oklahoma.