Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
     Class Reptilia Linnaeus, 1758 - reptiles
       Subclass Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
         Infraclass Archosauromorpha Huene, 1946 see Clade Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval.
           Superorder Archosauria Cope, 1869 - archosaurs see Clade Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.
             Order †Saurischia Seeley, 1887 see Clade Saurischia Seeley 1888 [Gauthier, Langer, Novas, Bittencourt & Ezcurra 2020]
               Suborder †Theropoda Marsh, 1881 see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
                 Infraorder †Carnosauria Huene, 1920 see Division Carnosauria Huene, 1920
                   Family †Allosauridae Marsh, 1878
                     1 ?Genus †Acrocanthosaurus Stovall & Langston, 1950
                     2 Genus †Allosaurus Marsh, 1877
                     3 Genus †Antrodemus Leidy, 1870, nom. dub.
                     4 Genus †Chilantaisaurus Hu, 1964
                     5 Genus †Compsosuchus Huene & Matley, 1933
                     6 Genus †Piatnitzkysaurus Bonaparte, 1979
                     7 Genus †Stokesosaurus Madsen, 1974
                     8 Genus †Szechuanosaurus Young, 1942, nom. dub.