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