Kingdom Animalia Linnaeus, 1758 - animals Phylum Cnidaria Hatschek, 1888 - cnidarians Class Anthozoa Ehrenberg, 1831 Subclass Zoantharia de Blainville, 1830 Order †Heliolitida Frech, 1897 Genus †Heliolites Dana, 1848 Genus †Plasmopora Milne-Edwards & Haime, 1849