Stratigraphic chart of the lower Permian (partial)
Content updated October 16, 2005
RICHARDS SPUR UNIDENTIFIED SKULL
Above, picture (enlarged) of the anterior part of the unidentified partial skull. From Richards Spur (Fort Sill, Dolese Quarry), Comanche Co. - Oklahoma. Lower Permian.
Abbreviations: f, frontal; l, lacrimal; m, maxilla; n, nasal