Porifera :: Porifera (n. pl.) A grand division of the Invertebrata, including the sponges; -- called also Spongiae, Spongida, and Spongiozoa. The principal divisions are Calcispongiae, Keratosa or Fibrospongiae, and Silicea..

Poriferan :: Poriferan (n.) One of the Polifera.

Poriferata :: Poriferata (n. pl.) The Polifera.

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