meiofauna(redirected from meiofaunal)
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n. pl. meiofauna or mei·o·fau·nas
Small animals of benthic sediments, such as nematodes and copepods.
(Zoology) the component of the fauna of a sea or lake bed comprising small (but not microscopic) animals, such as tiny worms and crustaceans
[C20: from Greek meiōn less + fauna]