Dinosauria Owen 1841 Saurischia Seeley 1887 [Gauthier 1986] Theropoda Marsh 1881 [Gauthier 1986], nom. cl. inval. Neotheropoda Bakker 1986 [Sereno 1998] Tetanurae Gauthier 1986 [Gauthier 1986] Neotetanurae Sereno et al. 1994 see Clade Avetheropoda Paul 1988 [Padian et al. 1999] Coelurosauria Huene 1914 [Gauthier 1986] Maniraptoriformes Holtz 1995 [Holtz 1996] Maniraptora Gauthier 1986 [Gauthier 1986] Paraves Sereno 1997 [Sereno 1998] Aves Linnaeus 1758 [Gauthier 1986] see Class Aves Linnaeus, 1758 Ornithurae Haeckel 1866 [Gauthier 1986] {Chiappe 1991} Ornithothoraces Chiappe 1995 [Chiappe 1995] †Enantiornithes Walker 1981 [Sereno 1998] see Infraclass Enantiornithes Walker, 1981