meso·​fauna | \ "+ \

Definition of mesofauna

: very small invertebrate animals (such as mites, nematodes, or centipedes) that are usually .1 mm to 2 mm (.004 to .08 inch) in length

Note: The terms macrofauna , mesofauna, and microfauna are used especially in describing those organisms living in or on soil or benthic sediment.

— compare meiofauna

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Other Words from mesofauna

mesofaunal adjective
mesofaunal composition

History and Etymology for mesofauna

New Latin, from mes- + fauna

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Cite this Entry

“Mesofauna.” Dictionary, Merriam-Webster, Accessed 19 Sep. 2020.

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