(Ancestor,(Captorhinidae,(Araeoscelidia,(Claudiosaurus,(Younginiformes,(((Testudines,Odontochelys),((Kuehneosauridae,(Rhynchocephalia,Squamata)),(Thalattosauria,((Corosaurus,Cymatosaurus,Germanosaurus,Chinchenia,Kwangsisaurus,Sanchiaosaurus,Diandongosaurus,(Anaro_dash_Dactylo,Serpiano_dash_Neustico,Keichousaurus,Wumengosaurus,Hanosaurus,Qianxisaurus,Dianopachysaurus),(Simosaurus,(Nothosaurus,Lariosaurus)),(Plesiosaurus,Yunguisaurus,(Pistosaurus,Augustasaurus))),(Placodus,Cyamodus))))),(Archosauriformes,(Rhynchosauria,Trilophosaurus),(Prolacertiformes,Choristodera))))))));