(Ichthyostega,(Pederpes,(Crassigyrinus,(Greererpeton,((Eucritta,Balanerpeton),(Cochleosaurus,(((Silvanerpeton,(Anthracosaurus,(Proterogyrinus,(Eoherpeton,(Palaeoherpeton,(Pholiderpeton,Archeria)))))),(Gephyrostegus,(Seymouria,Limnoscelis))),(Microsauria,(Bystrowiana,((Chroniosuchus,Jarilinus),(Chroniosaurus,Madygenerpeton)))))))))));