phylum Porifera

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Related to phylum Porifera: phylum Cnidaria
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Noun1.phylum Porifera - coextensive with the subkingdom Parazoa: spongesphylum Porifera - coextensive with the subkingdom Parazoa: sponges
Parazoa, subkingdom Parazoa - multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera
parazoan, poriferan, sponge - primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
sponge genus - a genus of Porifera
class Hyalospongiae, Hyalospongiae - sponges with siliceous spicules that have six rays; choanocytes are restricted to finger-shaped chambers
phylum - (biology) the major taxonomic group of animals and plants; contains classes
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References in periodicals archive ?
Kingdom Animalia Phylum Porifera Class Demospongiae Order Polymastiida Family Polyniastiidae Polymastiapacifica Koltun, 1966, aggregated nipple sponge (Fig.
Sponges (phylum Porifera) constitute one of the most ancient groups of multicellular animals (Reitner and Worheide, 2002; Erwin et al., 2011).