parazoan


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parazoan

(ˌpærəˈzəʊən)
n, pl -zoa (-ˈzəʊə)
(Animals) any multicellular invertebrate of the group Parazoa, which consists of the sponges (phylum Porifera). Compare metazoan
[C19: from parazoa, formed on the model of protozoa and metazoa, from para-1 + Greek zōon animal]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.parazoan - primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
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
References in periodicals archive ?
To infer the phylogenetic relationships of CrAQP with other AQP grades already recognized as occurring in parazoan, cnidarian, or basal deuterostome subclusters, we used the dataset and alignment computed by Finn and colleagues to build the tree presented in figure S4 of their 2014 paper (Finn et al.
The resulting picture of the sponge larva is not one typically conjured up of a parazoan, an "almost metazoan.