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 Ruminantia Scopoli, 1777
Infraorder Pecora Linnaeus, 1758
Family Giraffidae Gray, 1821 - okapi and giraffe