Full reference: E. Daly. 1973. A Lower Permian vertebrate fauna from southern Oklahoma. Journal of Paleontology 47(3):562-589
See also Carroll et al. 1998
Sister taxa: none
Type specimen: FM UR 2303, a partial skeleton (skull with jaw, 2 1/2 vertebrae and fragment of pectoral girdle). Its type locality is southwest of Grandfield, which is in a Kungurian fluvial shale/sandstone in the Hennessey Formation of Oklahoma.
Distribution: found only at southwest of Grandfield
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.