Jisho

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Noun
1. mesozoan
Wikipedia definition
2. MesozoaThe Mesozoa are enigmatic, minuscule, worm-like parasites of marine invertebrates. As of 2012 it was still unclear whether they are degenerate platyhelminthes or truly-primitive, basal metazoans. Generally, these tiny, elusive creatures consist of a somatoderm (outer layer) of ciliated cells surrounding one or more reproductive cells. Decades ago, Mesozoa were classified as a phylum. Molecular phylogeny studies, however, have shown that the mysterious mesozoans are polyphyletic.
Read “Mesozoa” on English Wikipedia
Read “中生動物” on Japanese Wikipedia
Read “Mesozoa” on DBpedia

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