(Ancestor,((((Captorhinidae,(Paleothyris,(Araeoscelidia,(Claudiosaurus,(Younginiformes,(((Kuehneosauridae,(Rhynchocephalia,Squamata)),(Testudines,(Placodus,Eosauropterygia))),(Choristodera,(Prolacertiformes,(Archosauriformes,(Rhynchosauria,Trilophosaurus)))))))))),(Millerettidae,((Acleistorhinus,Lanthanosuchidae),(Macroleter,((Bradysaurus,(Scutosaurus,Anthodon)),(Procolophon,Owenetta)))))),(Caseidae,(Ophiacodontidae,(Edaphosauridae,(Sphenacodontidae,(Gorganopsia,Cynodontia)))))),(Diadectomorpha,Seymouriadae)));