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parazoan

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parazoan [ˌpærəˈzəʊən]
n pl -zoa [-ˈzəʊə]
(Life Sciences & Allied Applications / Animals) any multicellular invertebrate of the group Parazoa, which consists of the sponges (phylum Porifera) Compare metazoan
[from parazoa, formed on the model of protozoa and metazoa, from para-1 + Greek zōon animal]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.parazoan - primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
poriferan, sponge
invertebrate - any animal lacking a backbone or notochord; the term is not used as a scientific classification
phylum Porifera, Porifera - coextensive with the subkingdom Parazoa: sponges
glass sponge - a siliceous sponge (with glassy spicules) of the class Hyalospongiae
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