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Cnidaria |
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Cnidaria /Cni·da·ria/ (ni-dar´e-ah) a phylum of marine invertebrates including sea anemones, hydras, corals, jellyfish, and comb jellies, characterized by a radially symmetric body bearing tentacles around the mouth. Cnidaria, a phylum of invertebrate animals that includes jellyfish, sea anemones, hydroids, and corals. Formerly called Coelenterata. Cnidaria a phylum of lowly animals including hydroids and hydromedusae (class Hydrozoa), true jellyfish and free-swimming medusae (class Scyphozoa) and sea anemones, sea pens and corals (class Anthozoa). Previously called Coelenterata and that name is still widely used. |
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