Home page

 

Contact

 Introduction

LEPOSPONDYLI

EUREPTILIA

SYNAPSIDA

PARAREPTILIA

DIADECTOMORPHA

ANTHRACOSAUROIDEA

TEMNOSPONDYLI

UNIDENTIFIED TETRAPODS

Stratigraphic chart of the lower Permian (partial)

Phylogenetic Relationships

Content updated October 16, 2005

 

RICHARDS SPUR UNIDENTIFIED  SKULL

 

 

Above, picture of the posterior part (enlarged) of the unidentified partial skull.  From Richards Spur (Fort Sill, Dolese Quarry), Comanche Co. - Oklahoma. Lower Permian.

Abbreviations: p, parietal;  pf, postfrontal; pmp, posterior margin of parietal;  po, postorbital?;  sf, sutural surface for frontal;  spf, sutural surface for postfrontal;  sq, squamose?;  sst, sutural surface for supratemporal;  st, supratemporal;  tf, temporal fenestration?