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 Walker 1964 [Sereno 1998] see Superfamily Megalosauroidea Fitzinger, 1843
             †Megalosauria Bonaparte 1850 [Allain et al. 2012]
               †Spinosauridae Stromer 1915 [Sereno 1998] see Family Spinosauridae Stromer, 1915
                 1 †Baryonychinae Sereno et al. 1998 see Subfamily Baryonychinae Charig & Milner, 1986
                 1.1.0 Genus †Ichtyovenator Allain, Xaisanavong, Richir & Khentavong, 2012, nom. null. see Genus Ichthyovenator Allain, Xaisanavong, Richir & Khentavong, 2012
                 1.2.1 Genus †Baryonyx Charig & Milner, 1986
                 1.2.2 Genus †Suchomimus Sereno, Beck, Dutheil, Gado, Larsson, Lyon, Marcot, Rauhut, Sadleir, Sidor, Varricchio, Wilson & Wilson, 1998
                 2 †Spinosaurinae Sereno et al. 1998 see Subfamily Spinosaurinae Stromer, 1915
                 2.1 Genus †Irritator Martill, Cruickshank, Frey, Small & Clarke, 1996
                 2.2 Genus †Spinosaurus Stromer, 1915