mesofauna
noun
meso·fauna
"+
: very small invertebrate animals (such as mites, nematodes, or centipedes) that are usually .1 mm to 2 mm (.004 to .08 inch) in length compare meiofauna
Note: The terms macrofauna , mesofauna, and microfauna are used especially in describing those organisms living in or on soil or benthic sediment.
mesofaunal adjective
mesofaunal composition
Word History
Etymology
New Latin, from mes- + fauna