#crustacean  any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton
  supertype:  arthropod  invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
  subtype:  malacostracan_crustacean  decapod_crustacean  brachyuran  stomatopod_crustacean  branchiopod_crustacean  copepod_crustacean  seed_shrimp  barnacle
  part:  green_gland  nipper
  member of:  class_Crustacea__Crustacea  class of mandibulate arthropods including: lobsters; crabs; shrimps; woodlice; barnacles; decapods; water fleas
     member of:  phylum_Arthropoda__Arthropoda  jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes
        member of:  kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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