We found 1 definitions of parazoans from 1 different sources.
Noun |
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parazoan - primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies | ||
sponge, poriferan | ||
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 |