Stratigraphic chart of the lower Permian (partial)
Content updated October 16, 2005
AUTUN SEYMOURIAMORPH
Anthracosauroidea-Seymouriamorpha
Above, picture of the skull (in dorsal view) of the same seymouriamorph skeleton. From Autun, France. Lower Permian.
Abbreviations: F, frontal; IT, intertemporal; P, parietal; PF, postfrontal; PFO, pineal foramen; PP, postparietal; PRF, prefrontal; ST, supratemporal; T, tabular