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]
               †Spinosauridae Stromer, 1915
                 †Baryonychinae Charig & Milner, 1986
                   Genus †Baryonyx Charig & Milner, 1986
                     †Baryonyx walkeri Charig & Milner, 1986