(Onchiodon,(Archegosaurus,((Almasaurus,Dutuitosaurus),(Watsonisuchus,(Benthosuchus,(Luzocephalus,(Inflectosaurus,((Aphaneramma,(Erythrobatrachus,(Cosgriffus,Tertrema,(Stoschiosaurus,Wantzosaurus)))),(Trematosaurus,(Trematosuchus,(Lyrocephaliscus,Platystega)))))))))));