(Osteolepiformes,(Panderichthyidae,((Acanthostega,Ichthyostega),(Tulerpeton,((Crassigyrinus,Loxommatidae),(Colosteidae,((Dendrerpeton,(Eryops,(Ecolsonia,((Tersomius,Apateon),(Amphibamus,Doleserpeton))))),((Gephyrostegidae,(Proterogyrinus,Archeria)),((Westlothiana,((Solenodonsaurus,((Limnoscelis,Diadectes),(Synapsida,(Captorhinidae,Procolophonidae)))),((Aistopoda,Adelogyrinidae),(Nectridea,(Pantylus,(Brachystelechidae,(Rhynchonkos,(Lysorophia,((Triadobatrachus,(Discoglossidae,Pipidae)),((Karaurus,Hynobiidae),(Proteidae,(Sirenidae,(Eocaecilia,(Rhinatrematidae,Ichthyophiidae)))))))))))))),(Kotlassia,(Seymouria,Ariekanerpeton)))))))))));