LIST OF THE RICHARDS SPUR (FORT SILL) TETRAPOD PALEOFAUNA
Stratigraphic chart of the lower Permian (partial)
Content updated January 23, 2006
RICHARDS SPUR ARAEOSCELID OR PROTOROTHYRIDID FEMUR
Eureptilia
Diapsida-Araeoscelidae? Protorothyrididae?
Above: picture of a slender possible Araeoscelid or Protorothyridid femur in ventral and dorsal view, showing the very slender distal end. From Richards Spur (Dolese Quarry), Comanche Co. Oklahoma. Lower Permian.