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