cnidaria defined in 1951 yearcnidaria - cnidaria;
cnidaria - Hydroids, jellyfish, sea-anemones, corals. Subphylum of Coelenterata. Have thread cells; body of a polyp or medusa; locomotion by muscular action, not cilia (Compare with: Ctenophora). Contains classes Hydrozoa, Scyphozoa, Actinozoa.
near cnidaria in Knolik
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