Phylum Chordata Bateson, 1885 - chordates
Count: -
   Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
  Count: -
     Class Mammalia Linnaeus, 1758 - mammals
    Count: [*] 3o13f31g50s
       Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Infraorder Cetacea Brisson, 1762
      Count: [*] 9f23g40s
         Suborder Odontoceti Flower, 1867 - toothed whales see Parvorder Odontoceti Flower, 1867
        Count: [*] 6f19g32s
           Family Physeteridae Gray, 1821 - sperm whales
          Count: [*] 1g1s
             Genus Physeter Linnaeus, 1758 - sperm whale
            Count: -