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 †Megalosauridae Fitzinger, 1843
         Genus †Eustreptospondylus Walker, 1964