Seymouriidae
Synapsida
Parareptilia
Captorhinidae
Araeoscelidia
Orovenator
Lanthanolania
Thadeosaurus
Youngina
Tangasaurus
Hovasaurus
Acerosodontosaurus
Eunotosaurus
Choristodera
Sophineta
Coelurosauravus
Claudiosaurus
Odontochelys
Pappochelys
Pamelina
Kuehneosauridae
Squamata
Rhynchocephalia
Macrocnemus
Tanystropheus
Prolacerta
Trilophosaurus
Archosauriformes
Rhynchosauria
Askeptosaurus
Thalattosaurus
Clarazia
Hupehsuchus
Nanchangosaurus
Utatsusaurus
Chaohusaurus
Cartorhynchus
Omphalosaurus
Sclerocormus
Helveticosaurus
Palatodonta
Eusaurosphargis
Atopodentatus
Placodus
Paraplacodus
Sinosaurosphargis
Largocephalosaurus
Prosaurosphargis
Pomolispondylus
Majiashanosaurus
Hanosaurus_referred
Hanosaurus_type
Corosaurus
Wumengosaurus
Pachypleurosaurs
Pistosauridae
Simosaurus