TyrannosauridaeDromaeosauridaeAchillesaurus_manazzoneiAlvarezsaurus_calvoiPatagonykus_puertaiAlbertonykus_borealisMononykus_olecranusShuvuuia_desertiParvicursor_remotusYPM_1049Tugriken_Shireh_alvarezsaurXixianykus_zhangiHaplocheirusLinhenykusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Xu_etal_2013a