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