subclass Malacostraca

Thesaurus

Noun

1.subclass Malacostraca - largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs; lobsters; shrimps; sow bugs; beach fliesMalacostracaclass Crustacea, Crustacea - class of mandibulate arthropods including: lobsters; crabs; shrimps; woodlice; barnacles; decapods; water fleasmalacostracan crustacean - a major subclass of crustaceansDecapoda, order Decapoda - lobsters; crayfish; crabs; shrimps; prawnsEuphausiacea, order Euphausiacea - small commonly luminescent crustaceans; important element of marine plankton: krillMysidacea, order Mysidacea - opossum shrimpIsopoda, order Isopoda - woodliceAmphipoda, order Amphipoda - small flat-bodied semiterrestrial crustaceans: whale lice; sand-hoppers; skeleton shrimpclass - (biology) a taxonomic group containing one or more orders