Kingdom [Animalia] Linnaeus, 1758 - animals
Subkingdom Metazoa Haeckel, 1874
see Kingdom Animalia Linnaeus, 1758
Division Eumetazoa Butschli, 1910
see Subkingdom Eumetazoa Butschli, 1910
Subdivision Bilateralia
Phylum Chordata Bateson, 1885 - chordates
Subphylum Vertebrata Cuvier, 1812 - vertebrates
Class Mammalia Linnaeus, 1758 - mammals
Subclass Eutheria Gill, 1872
see Infraclass Eutheria Gill, 1872
Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises
see Infraorder Cetacea Brisson, 1762
Suborder Odontoceti Flower, 1867 - toothed whales
see Parvorder Odontoceti Flower, 1867
Superfamily Physeteroidea Gray, 1821
Family Physeteridae Gray, 1821 - sperm whales
Genus Kogia Gray, 1846 - pygmy and dwarf sperm whales
Kogia breviceps (Blainville, 1838) - pygmy sperm whale