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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 April 24, 2006

 

EUREPTILIA

 

Eureptilia is a group of amniotes characterized by the presence of greatly reduced supraoccipital, tabular, and supratemporal that lost its contact with postorbital, in some of them there is the presence of double temporal fenestration (diapsids).

 

Richards Spur Protorothyridid

Richards Spur Captorhinus aguti

Richards Spur Captorhinus magnus

Modesto S.P., basal captorhinid reptile from Richards Spur

Richards Spur Diapsid Araeoscelid?

Madagascar diapsids: Claudiosaurus

Madagascar diapsids: Thadeosaurus

Madagascar diapsids: Hovasaurus

Madagascar diapsids: Acerosodontosaurus