LIST OF THE RICHARDS SPUR (FORT SILL) TETRAPOD PALEOFAUNA
Stratigraphic chart of the lower Permian (partial)
Content updated April 24, 2006
RICHARDS SPUR ARAEOSCELID HUMERUS
Eureptilia
Diapsida-Araeoscelidae
Above: picture of the same distal head of an araeoscelid humerus in ventral. From Richards Spur (Dolese Quarry), Comanche Co. Oklahoma. Lower Permian.
Abbreviations: ec, ectepicondile; en, entepicondyle;