Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Order Primates Linnaeus, 1758 - primates
Suborder Haplorrhini Pocock, 1918
see Suborder Haplorhini Pocock, 1918
Infraorder Simiiformes Haeckel, 1866
Parvorder Catarrhini Geoffroy Saint-Hilaire, 1812
Superfamily Cercopithecoidea Gray, 1821
Family Cercopithecidae Gray, 1821 - Old World monkeys
Subfamily Cercopithecinae Gray, 1821
Genus Lophocebus Palmer, 1903
Lophocebus albigena (Gray, 1850) - gray-cheeked mangabey
1 [Lophocebus albigena albigena]ᵀ (Gray, 1850)
2 Lophocebus albigena johnstoni (Lydekker, 1900)
3 Lophocebus albigena osmani Groves, 1978