Stratigraphic chart of the lower Permian (partial)
Content updated October 16, 2005
SULLIVAN ET AL. RICHARDS SPUR
NEW DISSOROPHOID
Temnospondyli-Dissorophoidea
Above: pictures in lateral view and dorsal wiew of a maxilla fragment that could belong, perhaps, to the Sullivan et al. Dissorophoid on the basis of the presence of a dorsal sutural surface for the articulation with the LEP (ssal) and the lateral surface sculptured in the same way. From Richards Spur (Dolese Q.), Comanche Co. Oklahoma. Lower Permian.
Abbreviaions: ssal, sutural surface for the articulation with LEP;