Phylum Chordata Bateson, 1885 - chordates
Subphylum Vertebrata Cuvier, 1812 - vertebrates
Class Mammalia Linnaeus, 1758 - mammals
Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises
see Suborder Cetacea Brisson, 1762
Suborder Odontoceti Flower, 1869 - toothed whales
see Parvorder Odontoceti Flower, 1869
Family Delphinidae Gray, 1821 - marine dolphins
Genus Orcinus Fitzinger, 1860 - killer whale
Orcinus orca (Linnaeus, 1758) - killer whale