Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020]
Count: -
   Saurischia Seeley 1887 [Gauthier 1986], nom. cl. inval. see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
  Count: -
     Theropoda Marsh 1881 [Gauthier 1986] see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
    Count: -
       Neotheropoda Bakker 1986 [Sereno 1998]
      Count: -
         †Ceratosauria Marsh 1895 [Rowe & Gauthier 1990]
        Count: -
           †Coelophysoidea Holtz 1994 [Sereno 1998] see Superfamily Coelophysoidea Nopcsa, 1928
          Count: -
             1 Genus †Dilophosaurus Welles, 1970
            Count: -
             2.1 Genus †Liliensternus Welles, 1984
            Count: -
             2.2 †Coelophysidae Paul 1988 [Sereno 1998] see Family Coelophysidae Nopcsa, 1928
            Count: -