(Seymouriidae,(Diadectomorpha,((Caseidae,(Ophiacodontidae,(Edaphosauridae,(Sphenacodontidae,(Gorgonopsia,Cynodontia))))),((Captorhinidae,(Palaeothyris,(Araeoscelidae,((Claudiosaurus,(Younginiformes,(((Kuehneosauridae,(Rhynchocephalia,Squamata)),(Testudines,(Eosauropterygia,(Placodus,Cyamodus)))),(Choristodera,(Prolacertiformes,(Archosauromorpha,(Rhynchosauria,Trilophosaurus))))))),(Mesosauria,Ichthyosauria))))),(Millerettidae,((Acleistorhinus,Lanthanosuchidae),(Macroleter,((Bradysaurus,(Scutosaurus,Anthodon)),(Procolophon,Owenetta)))))))));