Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
     Class Reptilia Linnaeus, 1758 - reptiles
       Subclass Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
         Infraclass Archosauromorpha Huene, 1946 see Clade Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval.
           Superorder Archosauria Cope, 1869 - archosaurs see Clade Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.
             Order †Saurischia Seeley, 1887 see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
               Suborder †Theropoda Marsh, 1881 see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
                 Infraorder †Ornithomimosauria Barsbold, 1976 see Clade Ornithomimosauria Barsbold 1976 [Osmólska 1997]
                   Family †Ornithomimidae Marsh, 1890
                     01 Genus †Anserimimus Barsbold, 1988
                     02 Genus †Archaeornithomimus Russell, 1972
                     03 Genus †"Arkansaurus" Quinn, 1973, nom. ined., nom. dub. see Genus Arkansaurus Hunt & Quinn, 2018
                     04 ?Genus †Betasuchus Huene, 1932, nom. dub.
                     05 Genus †Dromiceiomimus Russell, 1972 see Genus Ornithomimus Marsh, 1890
                     06 Genus †Elaphrosaurus Janensch, 1920
                     07 Genus †Gallimimus Osmólska, Roniewicz & Barsbold, 1972
                     08 Genus †Ornithomimus Marsh, 1890
                     09 ?Genus †"Sanchusaurus" Hisa, 1985, nom. nud.
                     10 Genus †Struthiomimus Osborn, 1917