(Petrolacosaurus,(Youngina,((Sphenodontida,Iguana),(Choristodere,(Rhynchosaures,(Trilophosaurus,(Proterosuchus,(Protorosaurus,Kadimakara,Boreopricea,Prolacerta,Prolacertoides,Trachelosaurus,Macrocnemus,Tanystropheus,Malutinisuchus,Cosesaurus,Tanytrachelos,Malerisaurus,Langobardisaurus,Jesairosaurus))))))));