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 Genus †Spinosaurus Stromer, 1915