microfauna

From micro- (“small, tiny”) +‎ fauna (“animals”).

microfauna (plural microfaunae or microfaunas)

1. The smallest of the faunal size divisions, including mainly microorganisms but also sometimes applied to the tiniest species of animal groups such as ticks, insects, etc.

• microfaunal

• microbiota
• microflora

From micro- +‎ fauna.

microfauna f (plural microfaune)

1. microfauna

microfauna f (plural microfaunas)

1. (zoology) microfauna