(Acanthostega,((Ymeria,(Ichthyostega,(Whatcheeria,(Pederpes,Sigournea,Occidens,(Greererpeton,(Crassigyrinus,(Balanerpeton,Baphetes,Dendrerpeton,Eoherpeton,Proterogyrinus,Silvanerpeton,Parrsboro_jaw,Caerorhachis))))))),(Densignathus,Elginerpeton,Elpistostege,Eusthenopteron,Metaxygnathus,Panderichthys,Tiktaalik,Ventastega)));