Theropoda Marsh 1881 [Gauthier 1986] see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020] Neotheropoda Bakker 1986 [Sereno 1998] Averostra Paul 2002 Tetanurae Gauthier 1986 Orionides Carrano, Benson & Sampson 2012 Avetheropoda Paul 1988 [Padian et al. 1999] Coelurosauria Huene 1914 [Gauthier 1986] Maniraptoriformes Holtz 1995 [Holtz 1996] †Ornithomimosauria Barsbold 1976 [Osmólska 1997] †Ornithomimidae Marsh 1890 [Sereno 1998] see Family Ornithomimidae Marsh, 1890 Genus †Struthiomimus Osborn, 1917