#genus_Balaenoptera__Balaenoptera  type genus of the Balaenopteridae
  supertype:  mammal_genus  a genus of mammals
  member:  blue_whale  finback_whale  sei_whale  lesser_rorqual
  member of:  family_Balaenopteridae__Balaenopteridae  rorquals; blue whales
     member of:  suborder_Mysticeti__Mysticeti  baleen whales: right whales; rorquals; blue whales; humpbacks
        member of:  order_Cetacea__Cetacea  an order of Eutheria
           member of:  subclass_Eutheria__Eutheria  all mammals except monotremes and marsupials
              member of:  class_Mammalia__Mammalia  warm-blooded vertebrates characterized by mammary glands in the female
                 member of:  subphylum_Vertebrata__Vertebrata__Craniata__subphylum_Craniata  fishes; amphibians; reptiles; birds; mammals
                    member of:  phylum_Chordata__Chordata  comprises true vertebrates and animals having a notochord
                       member of:  kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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