(Greererpeton,(Proterogyrinus,((Chenoprosopus,Edops),((Capetus,((Dendrerpeton,Balanerpeton),(Trimerorhachis,Saurerpeton))),(Iberospondylus,(Sclerocephalus,(Zatrachys,(Eoscopus,(Eryops,Paryoxys))))))))); (Greererpeton,(Proterogyrinus,((Chenoprosopus,Edops),((Capetus,((Dendrerpeton,Balanerpeton),(Trimerorhachis,Saurerpeton))),(Iberospondylus,((Sclerocephalus,(Eryops,Paryoxys)),(Zatrachys,Eoscopus)))))));