(Petrolacosaurus,(Youngina,(Gephyrosaurus,(((Aenigmastropheus,Protorosaurus),(Macrocnemus,Tanystropheus)),(Trilophosaurus,((Howesia,Noteosuchus,Mesosuchus),(Prolacerta,(Teyujagua_paradoxa,(Proterosuchus,Archosaurus,Sarmatosuchus,Fugusuchus,Koilamasuchus,Erythrosuchus,Garjainia,Shansisuchus,Chanaresuchus,Eorasaurus,(Euparkeria,Osmolskina),(Doswellia,Vancleavea),((Turfanosuchus,Gracilisuchus,Terrestrisuchus,(Qianosuchus,Saurosuchus,(Parasuchus,Stagonolepididae))),((Scleromochlus,Dimorphodon),(Lagerpeton,(Marasuchus,(Silesaurus,(Herrerasaurus,Eoraptor)))))))))))))));