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Thesaurus: bryozoa

A class of Molluscoidea, including minute animals which by budding form compound colonies; -- called also Polyzoa.

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  1. n. pl. A class of class="def-link" href="https://vividlex.com/word/molluscoidea">Molluscoidea, including minute animals which by budding form compound colonies; -- called also Polyzoa.
  2. A class of class="def-link" href="https://vividlex.com/word/molluscoidea">Molluscoidea, including minute animals which by budding form compound colonies; -- called also Polyzoa. Note: They are often coralike in form and appearance, each small cell containing an individual zooid. Other species grow in delicate, flexible, branched forms, resembling moss, whence the name. Some are found in fresh water, but most are marine. The three principal divisions are Ectoprocta, Entoprocta, and Pterobranchia. See Cyclostoma, Chilostoma, and Phylactolema.
  3. A class of class="def-link" href="https://vividlex.com/word/molluscoidea">Molluscoidea, including minute animals which bybudding form compound colonies; -- called also Polyzoa.
  4. n marine or freshwater animals that form colonies of zooids n sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding