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more about hydrozoa
hydrozoa |
4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: {Molluscoidea}, including Brachiopoda and Bryozoa. {Mollusca}, including Cephalopoda, Gastropoda, Pteropoda, Scaphopoda, Lamellibranchiata or Acephala. {Echinodermata}, including Holothurioidea, Echinoidea, Asterioidea, Ophiuroidea, and Crinoidea. {C[oe]lenterata}, including {Anthozoa} or {Polyps}, {Ctenophora}, and {Hydrozoa} or Acalephs. {Spongiozoa} or {Porifera}, including the sponges. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Hydrozoa \Hy`dro*zo"a\, n. pl [NL., fr E. hydra + Gr ? an animal.] (Zo["o]l.) The Acaleph[ae]; one of the classes of c[oe]lenterates, including the Hydroidea, Discophora, and Siphonophora. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Hydrozoon \Hy`dro*zo"["o]n\, n.; pl L. {Hydrozoa}, E. {Hydrozo["o]ns}. [NL.] (Zo["o]l.) One of the Hydrozoa. From WordNet r 1.6 [wn]: Hydrozoa n : coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes [syn: {Hydrozoa}, {class Hydrozoa}]
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