Class [Mammalia] Linnaeus, 1758 - mammals
   Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Infraorder Cetacea Brisson, 1762
     Suborder Mysticeti Cope, 1891 - baleen whales see Parvorder Mysticeti Cope, 1891
       Family Balaenopteridae Gray, 1864 - rorquals
         Genus Balaenoptera Lacépède, 1804 - rorquals
           1 Balaenoptera acutorostrata Lacépède, 1804 - minke whale
           2 Balaenoptera borealis Lesson, 1828 - Sei whale
           3 Balaenoptera edeni Anderson, 1879 - Bryde's whale
           4 Balaenoptera musculus (Linnaeus, 1758) - blue whale
           5 Balaenoptera physalus (Linnaeus, 1758) - fin whale