Class [Mammalia] Linnaeus, 1758 - mammals
   Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Infraorder Cetacea Brisson, 1762
     Suborder Odontoceti Flower, 1867 - toothed whales see Parvorder Odontoceti Flower, 1867
       Family Monodontidae Gray, 1821 - white whales
         Genus Monodon Linnaeus, 1758 - narwhal
           1 Monodon monoceros Linnaeus, 1758 - narwhal