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doc Definition of porifera
    English to English
    noun
  • coextensive with the subkingdom Parazoa: sponges
  • source: WordNet 3.0
  • A grand division of the Invertebrata, including the sponges; -- called also Spongiæ, Spongida, and Spongiozoa. The principal divisions are Calcispongiæ, Keratosa or Fibrospongiæ, and Silicea.
  • source: Webster 1913
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