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Early Permian

Acanthodii

Sharks

Embolomeri

Temnospondyli

Lepospondyli

Seymouriamorpha

Diadectomorpha

Captorhinida

Mesosauria

Pelycosauria

Therapsida

Middle Permian

Dinocephalia

Dicynodontia

Late Permian

Temnospondyli

Reptiliomorpha

Bolosauria

Parareptilia

Pareiasauria

Biarmosuchia

Caseasauria

Dinocephalia

Gorgonopsia

Dicynodontia

Cynodontia

Eosuchia

Prolacertiformes

Avicephala