Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
     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 Infraorder Tetanurae Gauthier, 1986
                   Family †Ornithomimidae Marsh, 1890
                     01 Genus †Anserimimus Barsbold, 1988
                     02 Genus †Archaeornithomimus Russell, 1972
                     03 Genus †"Arkansaurus" Sattler, 1983, nom. nud., 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