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|Noun||1.||subkingdom Metazoa - multicellular animals having cells differentiated into tissues and organs and usually a digestive cavity and nervous system|
animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals
metazoan - any animal of the subkingdom Metazoa; all animals except protozoans and sponges
Cnidaria, Coelenterata, phylum Cnidaria, phylum Coelenterata - hydras; polyps; jellyfishes; sea anemones; corals
subkingdom - (biology) a taxonomic group comprising a major division of a kingdom