Dinosauria Owen 1841 Saurischia Seeley 1887 [Gauthier 1986] Theropoda Marsh 1881 [Gauthier 1986] Neotheropoda Bakker 1986 [Sereno 1998] Tetanurae Gauthier 1986 Neotetanurae Sereno et al. 1994 see Clade Avetheropoda Paul 1988 [Padian et al. 1999] Coelurosauria Huene 1914 [Gauthier 1986] 1 Genus †Ornitholestes Osborn, 1903 2.1 Genus †Deltadromeus Sereno, Duthiel, Iarochene, Larsson, Lyon, Magwene, Sidor, Varricchio & Wilson, 1996 2.2 Maniraptoriformes Holtz 1995 [Holtz 1996]