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