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 Monodontidae Gray, 1821 - white whales
Genus Monodon Linnaeus, 1758 - narwhal
Monodon monoceros Linnaeus, 1758 - narwhal