Order †Ornithischia Seeley, 1887 Ref: P. Sereno, 1986: 252; Count: - 1 Genus †Lesothosaurus Galton, 1978 Ref: P. Sereno, 1986: 252; Count: - 2 Parvorder †Genasauria Sereno, 1986 see Clade Genasauria Sereno 1986 Ref: P. Sereno, 1986: 252 [new taxon]; Count: -