a member of the Coelenterata, now more commonly known as the Cnidaria, a phylum of invertebrate animals that includes the hydras, jellyfishes, sea anemones, corals, etc.
a member of the Coelenterata, now more commonly known as the Cnidaria, a phylum of invertebrate animals that includes the hydras, jellyfishes, sea anemones, corals, etc.