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 †Coelurosauria Huene, 1914
see Division Coelurosauria Huene, 1914
Family †Ornithomimidae Marsh, 1890
Genus †Struthiomimus Osborn, 1917