Stratigraphic chart of the lower Permian (partial)
Content updated October 16, 2005
RICHARDS SPUR UNIDENTIFIED
CASEASAUR
Synapsida - Caseasauria
Above: picture in lateral and medial view of maxillary fragment of that could belong to the same caseasaur on the basis of the same dentition. From Richards Spur (Dolese Quarry), Comanche Co. - Oklahoma. Lower Permian