Kingdom [Animalia] Linnaeus, 1758 - animals Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758 Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910 Subdivision Bilateralia Phylum Echinodermata Bruguière, 1789 - echinoderms Class Echinoidea (Leske, 1778) - sea urchins and sand dollars Subclass Perischoechinoidea (M'Coy, 1849) 1 Order Cidaroida Claus, 1880