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 Ziphiidae Gray, 1850 - beaked whales
         1 Genus Berardius Duvernoy, 1851 - giant bottle-nosed whales
         2 Genus Hyperoodon Lacépède, 1804 - bottle-nosed whales
         3 Genus Indopacetus Moore, 1968 - Indo-Pacific beaked whale
         4 Genus Mesoplodon Gervais, 1850 - beaked whales
         5 Genus Tasmacetus Oliver, 1937 - Shepherd's beaked whale
         6 Genus Ziphius Cuvier, 1823 - goose-beaked whale