mi·cro·fau·na noun \ˌmī-krō-ˈfȯ-nə, -ˈfä-\
: minute animals; especially : those invisible to the naked eye <the soil microfauna>
Origin of MICROFAUNA
First Known Use: 1895
mi·cro·fau·na noun \ˌmī-krō-ˈfȯn-ə, -ˈfän-\ (Medical Dictionary)
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