Mammalia [Linnaeus 1758 [Rowe 1988], nom. cl. inval.]
Cetartiodactyla [Montgelard, Catzeflis & Douzery 1997]
Whippomorpha [Waddell, Okada & Hasegawa 1999]
Cetacea [Brisson 1762]
Pelagiceti [Uhen, 2008]
Neoceti [Fordyce & de Muizon, 2001]
Odontoceti [Flower, 1867]
Physeteroidea [Gray, 1821]
Kogiidae [Gill, 1871]
1 Kogia [Gray, 1846]
2 †Aprixokogia [Whitmore & Kaltenbach, 2008]
3 †Nanokogia [Velez-Juarbe et al., 2015]
4 †Praekogia [Barnes, 1973]
5 †Thalassocetus [Abel, 1905]
6 †Scaphokogia [de Muizon, 1988]
7 †Kogiopsis [Kellogg, 1929]