Order Primates Linnaeus, 1758 - primates
   Semiorder Euprimates Hoffstetter, 1978 see Clade Euprimates
     Suborder Haplorhini Pocock, 1918
       Hyporder Anthropoidea Mivart, 1864 see Infraorder Simiiformes Haeckel, 1866
         Infraorder Catarrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Catarrhini Geoffroy Saint-Hilaire, 1812
           Parvorder Eucatarrhini Delson, 1977
             Superfamily Cercopithecoidea Gray, 1821 [monotypic]
               Family Cercopithecidae Gray, 1821 - Old World monkeys
                 Subfamily Colobinae Jerdon, 1867
                   Subtribe Presbytina Gray, 1825 see Tribe Presbytini Gray, 1825
                     1 Genus Presbytis Eschscholtz, 1821 - leaf monkeys
                     2 Genus Semnopithecus Desmarest, 1822 - Hanuman langur
                     3 Genus Pygathrix Geoffroy Saint-Hilaire, 1812 - douc langurs
                     4 Genus Nasalis Geoffroy Saint-Hilaire, 1812 - proboscis monkey