DipnorhynchusCeratodus_sturiiCtenodusDipterus_valenciennesignathorizidslepidosirenidsNeoceratodusrhycnhodipteridsSagenodusStraitoniaUranolophusChirodipterusConchopomaFleurantiaholodipteridsJarvikiaMicroceratodusOervigiaParaceratodusphaneropleuridsRhinodipterusSpeonesydrionTranodisUronemusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Marshall_1986a