Allosaurus_fragilisTyrannosaurus_rexSinosauropteryx_primaOrnitholestes_hermanniSinovenator_changiiMicroraptor_zhaoianusMicroraptor_guiCryptovolans_pauliSinornithosaurus_milleniiNGMC_91Bambiraptor_jeinbergiVelociraptor_mongoliensisSaurornitholestes_langstoniAdasaurus_mongoliensisDeinonychus_antirrhopusAchillobator_giganticusUnenlagia_comahuensisHulsanpes_perleiPyroraptor_olympiusVariraptor_mechinorumTsaagan_mangasByronosaurus_jaffreiSinornithoides_youngiSaurornithoides_juniorSaurornithoides_mongoliensisTroodon_formosusPelecanimimus_hoyasiStruthiomimus_altusProtarchaeopteryxCaudipteryx_zouiKhaan_mckennaiArchaeopteryx_lithographicaJeholornis_primaRahonavis_ostromiYanornis_martiniSinornis_santensisDromaeosaurus_albertensisUtahraptor_ostrommaysiOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Norell_etal_2006ac