Kingdom Animalia Linnaeus, 1758 - animals Phylum Cnidaria Hatschek, 1888 - cnidarians Class Hydrozoa Owen, 1843 Order Hydroida Johnston, 1836 - hydroids see Order Anthoathecatae Suborder Leptomedusae see Order Leptothecatae Genus Aequorea Péron & Lesueur, 1810