Theropoda Marsh 1881 [Gauthier 1986] see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020]
   Neotheropoda Bakker 1986 [Sereno 1998]
     Averostra Paul 2002
       Tetanurae Gauthier 1986
         Orionides Carrano, Benson & Sampson 2012
           †Megalosauroidea Fitzinger, 1843
             †Megalosauria Bonaparte 1850 [Allain et al. 2012]
               †Megalosauridae Fitzinger, 1843
                 †Megalosaurinae Fitzinger, 1843
                   1 Genus †Duriavenator Benson, 2008
                   2.1 Genus †Megalosaurus Buckland, 1822
                   2.2 Genus †Torvosaurus Galton & Jensen, 1979