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|Noun||1.||Cirripedia - barnacles|
class Crustacea, Crustacea - class of mandibulate arthropods including: lobsters; crabs; shrimps; woodlice; barnacles; decapods; water fleas
barnacle, cirriped, cirripede - marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces
class - (biology) a taxonomic group containing one or more orders