Cetacea Brisson 1762 see Suborder Cetacea Brisson, 1762
   Neoceti Fordyce & de Muizon, 2001
     Odontoceti Flower, 1867 see Parvorder Odontoceti Flower, 1867
       Physeteroidea Gray, 1821
         Physeteridae Gray, 1821 - sperm whales
           1 Genus †Physeterula van Beneden, 1877
           2.1 Genus †Aulophyseter Kellogg, 1928
           2.2 Genus Physeter Linnaeus, 1758 - sperm whale