Crus`ta´ce`a (kr?s-t?´sh?-?)
| n. pl. | 1. | (Zool.) One of the classes of the arthropods, including lobsters and crabs; - so called from the crustlike shell with which they are covered. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  Crustacea - class of mandibulate arthropods including: lobsters; crabs; shrimps; woodlice; barnacles; decapods; water fleasArthropoda, phylum Arthropoda - jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes crustacean - any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton Malacostraca, subclass Malacostraca - largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs; lobsters; shrimps; sow bugs; beach flies order Stomatopoda, Stomatopoda - mantis shrimps Entomostraca, subclass Entomostraca - in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer in technical use Branchiopoda, subclass Branchiopoda - primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps; water fleas Copepoda, subclass Copepoda - minute planktonic or parasitic crustaceans Ostracoda, subclass Ostracoda - seed shrimps Cirripedia, subclass Cirripedia - barnacles class - (biology) a taxonomic group containing one or more orders |
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