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 [†Piatnitzkysauridae Carrano, Benson & Sampson 2012] see Family Piatnitzkysauridae Carrano, Benson & Sampson, 2012