DromaeosauridaeArchaeopteryx_lithographicaRahonavis_ostromiSapeornis_chaoyangensisConfuciusornis_sanctusPatagopteryx_deferrariisiApsaravis_ukhaanaIchthyornisCrypturellus_undulatusGallus_gallusCrax_pauxiAnas_platyrhynchosChauna_torquataGobipteryx_minutaNeuquenornis_volansCathayornis_yandicaConcornis_lacustrisOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Zhou_et_Zhang_2002b