Class Reptilia Linnaeus, 1758 - reptiles
   Subclass Archosauria Cope, 1869 see Division Archosauria Cope, 1869
     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
           01 Family †Ornithosuchidae Huene, 1908
           02 Family †Poposauridae Nopcsa, 1923 - poposaurids
           03 Family †Palaeosauriscidae Kuhn, 1959
           04 Family †Deinodontidae Cope, 1866
           05 Family †Spinosauridae Stromer, 1915
           06 Family †Megalosauridae Fitzinger, 1843
           07 Family †Allosauridae Marsh, 1878
           08 Family †Troodontidae Gilmore, 1924
           09 Family †Selenichnidae Lull, 1915
           10 Family †Grallatoridae Lull, 1904
           11 Family †Eubrontidae Lull, 1904
           12 Family †Gigantopodidae
           13 Family †Otozoidae Lull, 1904