Dinosauria Owen 1841 [Padian & May 1993], nom. cl. inval. see Clade Dinosauria Owen 1842 [Langer, Novas, Bittencourt, Ezcurra & Gauthier 2020] †Ornithischia Seeley 1887 [Padian & May 1993] see Order Ornithischia Seeley, 1887 †Genasauria Sereno 1986 †Thyreophora Nopcsa 1915 see Suborder Thyreophora Nopcsa, 1915 †Eurypoda Sereno 1986 †Ankylosauria Osborn 1923 see Infraorder Ankylosauria Osborn, 1923 †Ankylosauridae Brown 1908 see Family Ankylosauridae Brown, 1908 †Ankylosaurinae Nopcsa 1918 see Subfamily Ankylosaurinae Brown, 1908