A large division of Anthozoa, including those which have simple tentacles and do not form stony corals. Sometimes, in a wider sense, a…
Its definition shares important concepts with this word: extensive, division, marine, annelida, including.
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Spiodea
An extensive division of marine Annelida, including those that are without oral tentacles or cirri, and have the gills, when present, mostly arranged along the sides of the body. They generally live in burrows or tubes.
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