Mammalia Linnaeus 1758 [Rowe 1988], nom. cl. inval.
see Class Mammalia Linnaeus, 1758
Cetartiodactyla Montgelard, Catzeflis & Douzery 1997
see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
Whippomorpha Waddell, Okada & Hasegawa 1999
see Suborder Whippomorpha
Cetacea Brisson 1762
see Suborder Cetacea Brisson, 1762
Pelagiceti Uhen, 2008
Neoceti Fordyce & de Muizon, 2001
Odontoceti Flower, 1867
see Parvorder Odontoceti Flower, 1867
Superfamily Physeteroidea Gray, 1821
[stem] Genus †Placoziphius van Beneden, 1869