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
1 Family †Pakicetidae Thewissen et al., 1996
2.1 Family †Ambulocetidae Thewissen et al., 1996
2.2.1 Family †Remingtonocetidae Kumar & Sahni, 1986
2.2.2.1 Family †Protocetidae Stromer, 1908 [paraphyletic?]
2.2.2.2 Pelagiceti Uhen, 2008