# mesofauna

> English word · Noun

## Definitions
1. Any animal of intermediate size, typically invertebrates, such as bivalves, arthropods, insects, and annelids.

## Etymology
From meso- + fauna.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/mesofauna