Kingdom Animalia Linnaeus, 1758 - animals Phylum Cnidaria Hatschek, 1888 - cnidarians Class Anthozoa Ehrenberg, 1831 Subclass Octocorallia Haeckel, 1866 - octocorals see Subclass Alcyonaria Order Pennatulacea - sea pens and sea pansies Genus Umbellula Cuvier, 1800, nom. nud.