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Related to phylum Porifera: phylum Cnidaria
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|Noun||1.||phylum 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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