phylum Porifera

Thesaurus

Noun

1.

phylum Porifera - coextensive with the subkingdom Parazoa: sponges Porifera 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