#subclass_Cirripedia__Cirripedia  barnacles
  supertype:  class__clas  (biology) a taxonomic group containing one or more orders
  member of:  class_Crustacea
  member:  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
  member:  family_Balanidae__Balanidae  stalkless barnacles
     member:  genus_Balanus__Balanus  type genus of the family Balanidae
        member:  acorn_barnacle__acornbarnacle__rock_barnacle__Balanus_balanoides  barnacle that attaches to rocks especially in intertidal zones
  member:  family_Lepadidae__Lepadidae  goose barnacles
     member:  genus_Lepas__Lepas  type genus of the family Lepadidae
        member:  goose_barnacle__goosebarnacle__lepasfasciculari  stalked barnacle that attaches to ship bottoms or floating timbers

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