#barnacle__cerriped__cerripede  marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces
  supertype:  #crustacean  any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton
  subtype:  #acorn_barnacle  #goose_barnacle
  member of:  #subclass_Cirripedia__Cirripedia  barnacles
     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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