Kingdom Animalia Linnaeus, 1758 - animals Phylum Cnidaria Hatschek, 1888 - cnidarians 1 Class Hydrozoa Owen, 1843 2 Class Anthozoa Ehrenberg, 1831 3 Class Cubozoa Werner, 1975 - box jellies 4 Class Scyphozoa Goette, 1887 - jellyfish