PaleoDB taxon number: 123514
Full reference: R. C. Fox. 1962. Two New Pelycosaurs from the Lower Permian of Oklahoma. University of Kansas Publications, Museum of Natural History 12(6):297-307
Sister taxon: Delorhynchus cifellii
Type specimen: KU 11117, a maxilla (fragmentary left maxilla, bearing four teeth). Its type locality is Richards Spur, which is in a Leonard fissure fill claystone/conglomerate in the Garber Formation of Oklahoma.