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 Delphinidae Gray, 1821 - oceanic dolphins
         01 Genus Cephalorhynchus Gray, 1846 - southern dolphins, piebald dolphins
         02 Genus Delphinus Linnaeus, 1758 - common dolphin, saddleback dolphin
         03 Genus Feresa Gray, 1871 - pygmy killer whale
         04 Genus Globicephala Lesson, 1828 - pilot whales
         05 Genus Grampus Gray, 1828 - Risso's dolphin
         06 Genus Lagenodelphis Fraser, 1956 - short-snouted white-belly dolphin, Fraser's dolphin
         07 Genus Lagenorhynchus Gray, 1846 - short-beaked dolphins
         08 Genus Lissodelphis Gloger, 1841 - right whale dolphins
         09 Genus Orcaella Gray, 1866
         10 Genus Orcinus Fitzinger, 1860 - killer whale
         11 Genus Peponocephala Nishiwaki & Norris, 1966 - many-toothed blackfish, melon-headed whale
         12 Genus Pseudorca Reinhardt, 1862 - false killer whale
         13 Genus Sotalia Gray, 1866 - tucuxi
         14 Genus Sousa Gray, 1866 - humpback dolphins
         15 Genus Stenella Gray, 1866 - spinner, spotted, and striped dolphins
         16 Genus Steno Gray, 1846 - rough-toothed dolphin
         17 Genus Tursiops Gervais, 1855 - bottle-nosed dolphins