Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
   Saurischia Seeley 1887 [Gauthier 1986], nom. cl. inval. see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
     Theropoda Marsh 1881 [Gauthier 1986] see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
       Neotheropoda Bakker 1986 [Sereno 1998]
         Tetanurae Gauthier 1986
           Neotetanurae Sereno et al. 1994 see Clade Avetheropoda Paul 1988 [Padian et al. 1999]
             †Allosauroidea Currie & Zhao 1993 [Padian & Hutchinson 1997] see Superfamily Allosauroidea Marsh, 1878
               †Allosauridae Marsh 1878 [Padian & Hutchinson 1997] see Family Allosauridae Marsh, 1878
                 1 Genus †Allosaurus Marsh, 1877