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 Introduction

LEPOSPONDYLI

EUREPTILIA

SYNAPSIDA

PARAREPTILIA

DIADECTOMORPHA

ANTHRACOSAUROIDEA

TEMNOSPONDYLI

UNIDENTIFIED TETRAPODS

Stratigraphic chart of the lower Permian (partial)

Phylogenetic Relationships

Content updated October 16, 2005

 

CARDIOCEPHALUS PEABODYI

 Lepospondyli- Microsauria-Gymnarthridae

 

 

Above: picture of  Cardiocephalus Peabodyi palate, there are rows of teeth on palatine and ectopterygoid, but contrary to Cardiocephalus Sternbergi the pterygoid is completely covered by denticles.

Abbreviations:  d, dentary;  pald, palatal dentition; ps, parasphenoid; ptd, pterygoid dentition;