Answer: coelenterates

AnswerCrossword Clue
coelenteratesCOELENTERATE, a classification of animals that includes sea anemones, hydra, jellyfish, and coral
coelenteratesAn aquatic invertebrate animal of a phylum that includes jellyfishes, corals, and sea anemones. They are distinguished by having a tube- or cup-shaped body and a single opening ringed with tentacles