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Definition of Porifera
1. Noun. Coextensive with the subkingdom Parazoa: sponges.
Exact synonyms: Phylum Porifera
Group relationships: Parazoa, Subkingdom Parazoa
Member holonyms: Parazoan, Poriferan, Sponge, Sponge Genus, Class Hyalospongiae, Hyalospongiae
Generic synonyms: Phylum
Group relationships: Parazoa, Subkingdom Parazoa
Member holonyms: Parazoan, Poriferan, Sponge, Sponge Genus, Class Hyalospongiae, Hyalospongiae
Generic synonyms: Phylum
Definition of Porifera
1. n. pl. 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.