Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Infraclass Eutheria Gill, 1872
Magnorder Boreoeutheria Springer & de Jong, 2001
Superorder Laurasiatheria Waddell, Okada & Hasegawa, 1999
Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
Suborder Whippomorpha
Infraorder Cetacea Brisson, 1762
Parvorder Mysticeti Cope, 1891 - whalebone whales
Family Balaenopteridae Gray, 1864 - rorquals