Main Entry: mi·cro·fau·na

Pronunciation: \ˌmī-krō-ˈfȯn-ə, -ˈfän-\

Function: noun

: minute animals ; especially : those invisible to the naked eye <the soil microfauna>—compare macrofauna

—mi·cro·fau·nal \-ˈfȯn-^əl, -ˈfän-\ adjective