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

 

SCLEROCEPHALUS

Temnospondyli-Archegosauroidea-Actinodontidae

 

                                                                        

Above: picture of a Sclerocephalus pectoral girdle. From Odernheim-Germany. Lower Permian

Abbreviations:  cl, clavicle; i, interclavicle;