[Mammalia] Linnaeus, 1758 - mammals
   Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Infraorder Cetacea Brisson, 1762
     Odontoceti Flower, 1867 - toothed whales see Parvorder Odontoceti Flower, 1867
       Physeteridae Gray, 1821 - sperm whales
         Physeter Linnaeus, 1758 - sperm whale
           1 Physeter macrocephalus Linnaeus, 1758 - sperm whale