Definition of Eucarida
: an extensive group of crustaceans having the thoracic segments covered by and fused with a carapace and the eyes on movable stalks and constituting the orders Euphausiacea and Decapoda of the subclass Malacostraca
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Origin and Etymology of eucarida
New Latin, from eu- + -carida (from Latin carid-, caris, a kind of sea crab) — more at -caris
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