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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 January 23, 2006

PHYLOGENETIC RELATIONSHIPS

1) Phylogenetic relationships of parareptiles (Amniota)

2) Phylogenetic relationships of early eureptiles (Amniota)

3) Phylogenetic relationships of early eupelycosaurs (Amniota)

4) Phylogenetic relationships of early synapsids, with particular attention to varanopids (Amniota)

5) Phylogenetic relationships of temnospondyls and lissamphibians

6) Phylogenetic relationships of tuditanomorphs(Microsauria - Lepospondyli)

7) Phylogenetic relationships of choanates