Kingdom Animalia (animals) Eumetazoa (metazoans) Phylum Cnidaria (corals, sea anemones, jellyfish, and relatives) Class Scyphozoa Order Rhizostomeae Family Stomolophidae Genus Stomolophus Species Stomolophus fritillarius (Cannonball jelly) Species Stomolophus meleagris (Cannonball jelly)
