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
Delphinidae Gray, 1821 - oceanic dolphins
Orcinus Fitzinger, 1860 - killer whale
Orcinus orca (Linnaeus, 1758) - killer whale