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
References in periodicals archive ?
Among the members of the phylum porifera, phylogenetic evidence supports the existence of an ancestral.
Squarepants is not, apparently, an actual aquatic, benthic sponge, member of the phylum Porifera, but rather a synthetic, square, bathroom sponge.