Porifera

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the GNU version of the Collaborative International Dictionary of English
  • noun-plural. 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.
  • The Century Dictionary and Cyclopedia
  • n. The sponges as a prime division of cœlenterates, or superclass of Cœlentera, having a system of pores or incurrent and excurrent openings, but no stinging-organs: contrasted with Nematophora, and more fully called Cœlentera porifera.
  • n. Same as Foraminifera.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. coextensive with the subkingdom Parazoa: sponges
  • Hypernym
    Words that are more generic or abstract
    phylum