Seymouriidae
Synapsida
Parareptilia
Captorhinidae
Araeoscelidia
Apsisaurus
Younginiformes
Claudiosaurus
Coelurosauravus
Choristodera
Testudines
Rhynchocephalia
Squamata
Helveticosaurus
Placodus
Pachypleurosaurs
Simosaurus
Pistosauridae
Tanystropheus
Macrocnemus
Prolacerta
Trilophosaurus
Rhynchosauria
Archosauriformes
Askeptosaurus
Clarazia
Thalattosaurus
Ichthyopterygia
Hupehsuchus
Drepanosauridae
Pamelina
Kuehneosauridae
Palaeagama
Saurosternon