LIST OF THE RICHARDS SPUR (FORT SILL) TETRAPOD PALEOFAUNA
Stratigraphic chart of the lower Permian (partial)
Content updated March 20, 2006
NEW POSSIBLE FORT SILL CASEASAUR
Synapsida - Caseasauria
Above: picture of the premaxilla, seen in dorsal view, of the new possible Fort Sill caseasaur. From Richards Spur (Dolese Quarry), Comanche Co. - Oklahoma. Lower Permian.
Abbreviations: ssm, sutural surface for the maxilla