different between infauna vs macrofauna

English

infauna (plural infaunas or infauna or infaunae)

Any aquatic organism that lives within the dominant medium of its environment, but especially within aquatic sediments
Burrowing bivalves are infauna that filter-feed from within seafloor sediments.

From macro- +? fauna

macrofauna (plural macrofaunae or macrofaunas)

Any large animal that is not quite large enough to be considered megafauna, but larger than microfauna. Some include larger species of insects and annelids in this group.

macrofauna f (plural macrofaunas)

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