Euphausiacea

plural noun

Eu·​phau·​si·​a·​cea

(ˌ)yüˌfȯzēˈāshēə

: an order of small commonly luminescent malacostracan crustaceans (division Eucarida) related to the Decapoda, resembling shrimps, and in some areas forming an important element of marine plankton

euphausid

(ˈ)yü¦fȯzə̇d

adjective or noun

euphausiid

-zēə̇d 

adjective or noun

Word History

Etymology

New Latin, from Euphausia, included genus (perhaps from eu- + Greek pha- —from phainein to show—+ ousia substance) + -acea

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