Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020] Theropoda Marsh 1881 [Gauthier 1986] see Clade Theropoda Marsh 1881 [Naish, Cau, Holtz Jr., Fabbri & Gauthier 2020] Coelurosauria Huene 1914 [Gauthier 1986] †Alvarezsauria Bonaparte 1991 †Alvarezsauridae Bonaparte 1991 [Sereno 1999] see Family Alvarezsauridae Bonaparte, 1991 Genus †Alvarezsaurus Bonaparte, 1991