TyrannosauridaeDromaeosauridaeAchillesaurus_manazzoneiAlvarezsaurus_calvoiPatagonykus_puertaiAlbertonykus_borealisMononykus_olecranusShuvuuia_desertiParvicursor_remotusYPM_1049UCMP_154584Tugriken_Shireh_alvarezsaurOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Longrich_et_Currie_2009a