Kingdom Animalia Linnaeus, 1758 - animals Phylum Echinodermata Bruguière, 1789 - echinoderms Subphylum †Homalozoa Whitehouse, 1941 Class †Stylophora Gill & Caster, 1960 - stylophorans Genus †Cothurnocystis Bather, 1913 Genus †Enoploura Wetherby, 1879 Genus †Mitrocystites Barrande, 1887 Genus †Phyllocystis Thoral, 1935