Seymouriidae
Synapsida
Parareptilia
Captorhinidae
Araeoscelidia
Orovenator
Tangasaurus
Cartorhynchus
Claudiosaurus
Coelurosauravus
Sophineta
Choristodera
Helveticosaurus
Rhynchocephalia
Squamata
Trilophosaurus
Prolacerta
Tanystropheus
Macrocnemus
Rhynchosauria
Archosauriformes
Kuehneosauridae
Pamelina
Placodus
Pachypleurosaurs
Simosaurus
Pistosauridae
Wumengosaurus
Askeptosaurus
Clarazia
Thalattosaurus
Largocephalosaurus
Sinosaurosphargis
Nanchangosaurus
Hupehsuchus
Chaohusaurus
Utatsusaurus
Acerosodontosaurus
Hovasaurus
Lanthanolania
Youngina
Thadeosaurus