infauna

noun
in·​fau·​na | \ˈin-ˌfȯ-nə, -ˌfä-\

Definition of infauna 

: benthic fauna living in the substrate and especially in a soft sea bottom — compare epifauna

Other Words from infauna

infaunal \ˈin-​ˌfȯ-​nᵊl, -​ˌfä-​ \ adjective

First Known Use of infauna

1914, in the meaning defined above

History and Etymology for infauna

New Latin, from in- entry 2 + fauna

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The first known use of infauna was in 1914

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