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Ctenophore, or comb jelly, marine invertebrate (phylum Ctenophora) having 8 radially arranged combs of ciliated plates (ctenes) on its body used for swimming. Ctenophores are bioluminescent, carnivorous, usually transparent, and resemble jellyfish.

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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Cretinism to Davis, David