DipterusRhinodipterusScaumenaciaPhaneropleuronConchopomaDelatitiaCtenodusGanopristodusStraitoniaTranodisSagenodusMegapleuronPalaeophichthysGnathorizaParaceratodusPtychoceratodusNeoceratodusLepidosirenOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Schultze_et_Chorn_1997a