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 Introduction

LIST OF THE RICHARDS SPUR (FORT SILL)  TETRAPOD PALEOFAUNA

LEPOSPONDYLI

EUREPTILIA

SYNAPSIDA

PARAREPTILIA

DIADECTOMORPHA

ANTHRACOSAUROIDEA

TEMNOSPONDYLI

UNIDENTIFIED TETRAPODS

Stratigraphic chart of the lower Permian (partial)

Phylogenetic Relationships

Content updated March 20, 2006

DELORHYNCHUS PRISCUS

Synapsida?  Parareptilia?

References

Above: picture of a Delorhyncus priscus same dentary fragment in lateral view. From Richards Spur (Dolese Quarry), Comanche Co. Oklahoma. Lower Permian.