DromaeosauridaeAnasChaunaGallusCraxCrypturellusLithornisIchthyornisHesperornisBaptornisPatagopteryxCathayornisConcornisNeuquenornisGobipteryxApsaravisYanornisYixianornisHongshanornisArchaeorhychusLiaoningornisConfuciusornisSapeornisJeholornisArchaeopteryxGobipipusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Kurochkin_etal_2013a