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microfauna

[mahy-kroh-faw-nuh]

noun, plural mi·cro·fau·nas, mi·cro·fau·nae [mahy-kroh-faw-nee] /ˌmaɪ kroʊˈfɔ ni/. (used with a singular or plural verb)

Biology. microscopic animals.

Ecology. the fauna of a microhabitat.

Origin of microfauna

First recorded in 1900–05; micro- + fauna

Related formsmi·cro·fau·nal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019