A term applied to large animals, not quite large enough to be considered megafauna but larger than microfauna. Some include larger species of insects and annelids in this group.(noun)
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Use "macrofauna" in a sentence
"Small marine animals called macrofauna -- snails, worms, clams, and other creatures no bigger than a pencil eraser -- live and feed in the seafloor sediment."
"But polar cod, capelin, sand eel (Ammodytes spp.), and squid (Illex illecebrosus) are probably the most important pelagic/semi-pelagic macrofauna acting as forage for fish such as Greenland halibut and cod, marine mammals, and seabirds."
"Benthic invertebrate macrofauna of the eastern Bering/Chukchi continental shelf."