Order †Ornithischia Seeley, 1887 Suborder †Ornithopoda Marsh, 1871 see Infraorder Ornithopoda Marsh, 1881 Family †Fabrosauridae Galton, 1972 Genus †Echinodon /Steel, 1969 Genus †Lesothosaurus Galton, 1978 Genus †Scutellosaurus Colbert, 1981