(Greererpeton,(Proterogyrinus,((Balanerpeton,(Dendrerpeton,(Capetus,((Chenoprosopus,Edops),(Iberospondylus,((Sclerocephalus,(Eryops,Parioxys)),(Zatrachys,(Ecolsonia,(Eoscopus,Tersomius))))))))),(Dutuitosaurus,(Trimerorhachis,Saurerpeton))))); (Greererpeton,(Proterogyrinus,(((Chenoprosopus,Edops),((Capetus,(Dendrerpeton,Balanerpeton)),(Iberospondylus,((Sclerocephalus,(Eryops,Parioxys)),(Zatrachys,(Ecolsonia,(Eoscopus,Tersomius))))))),(Dutuitosaurus,(Trimerorhachis,Saurerpeton)))));