Stratigraphic chart of the lower Permian (partial)
Content updated October 16, 2005
CAPTORHINUS AGUTI
Eureptilia-Captorhinidae
Above: pictures of Captorhinus Aguti premaxilla in lateral, posterior, and ventral view. From Richards Spur (Dolese Quarry) - Comanche Co. Oklahoma. Lower Permian.
Abbreviations: en, external naris border; fov, foramen for orbitonasal vein; ssm, sutural surface for maxilla; nr, nasal ramus; ppf, posterior premaxillary foramen; pf, prepalatal foramen.