Kingdom Animalia Linnaeus, 1758 - animals Phylum Cnidaria Hatschek, 1888 - cnidarians Class Anthozoa Ehrenberg, 1831 Subclass Zoantharia de Blainville, 1830 Order †Rugosa Milne-Edwards & Haime, 1850 Genus †Lithostrotion Fleming, 1828 Subgenus †Siphonodendron McCoy, 1849 see Genus Siphonodendron McCoy, 1849