Huaxiagnathus_orientalisSinosauropteryx_primaCaudipteryx_zouiSinovenator_changiiMicroraptor_zhaoianusShenzhouraptor_sinensisConfuciusornis_sanctusPatagopteryx_deferrariisiApsaravis_ukhaanaIchthyornisCrypturellusGallus_gallusCrax_pauxiAnas_platyrhynchosChauna_torquataNeuquenornis_volansGobipteryx_minuteCathayornis_yandicaConcornis_lacustrisArchaeopteryx_lithographicaJinfengopteryx_elegansSapeornis_chaoyangensisProtarchaeopteryx_robustaRahonavis_ostromiSinornithosaurus_milleniiOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Ji_etal_2005a