Class [Mammalia] Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     Suborder Anthropoidea Mivart, 1864 see Parvorder Anthropoidea Mivart, 1864
       Infraorder Catarrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Catarrhini Geoffroy Saint-Hilaire, 1812
         Superfamily Cecopithecoidea nom. null. see Superfamily Cercopithecoidea Gray, 1821
           Family Cercopithecidae Gray, 1821 - Old World monkeys
             Subfamily Colobinae Jerdon, 1867
               Genus Nasalis Geoffroy Saint-Hilaire, 1812 - proboscis monkey