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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 February 18, 2007
Captorhinus aguti: lachrymal