subclass Malacostraca

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WordNet Dictionary
	Definition:		[n]  largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs; lobsters; shrimps; sow bugs; beach flies
	Synonyms:		Malacostraca
	See Also:		Amphipoda, category, class, class Crustacea, Crustacea, Decapoda, Euphausiacea, family, Isopoda, malacostracan crustacean, Mysidacea, order Amphipoda, order Decapoda, order Euphausiacea, order Isopoda, order Mysidacea