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 Cercopithecus Linnaeus, 1758 - guenons
Cercopithecus erythrogaster Gray, 1866 - red-bellied monkey
1 [Cercopithecus erythrogaster erythrogaster]ᵀ Gray, 1866
2 Cercopithecus erythrogaster pococki Grubb et al., 1999