Ancestor

Captorhinidae

Testudines

Araeoscelidia

Lepidosauromorpha

Rhynchosauria

T_jacobsi

T_buettneri

Trilophosaurus

Choristodera

Protorosauria

Proterosuchidae

Erythrosuchidae

Proterochampsidae

Ornithosuchia

Pseudosuchia

Casea

Ophiacodon

Edaphosaurus

Sphenacodontinae

Biarmosuchia

Dinocephalia

Gorgonopsia

Dicynodontia

Therocephalia

Procynosuchus

Thrinaxodon

Diademodon

Exaeretodon

Tritylodontidae

Mammalia

Morganucodontidae