Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Eutheria Gill, 1872 see Infraclass Eutheria Gill, 1872
                 Order Primates Linnaeus, 1758 - primates
                   Suborder Simiae see Parvorder Anthropoidea Mivart, 1864
                     Infraorder Platyrrhina see Superfamily Callitrichoidea Gray, 1821
                       Superfamily Ceboidea Bonaparte, 1831
                         Family Cebidae Bonaparte, 1831 - New World monkeys
                           Subfamily Pitheciinae Mivart, 1865
                             Genus Cacajao Lesson, 1840 - uakaris
                               1 Cacajao calvus (I. Geoffroy Saint-Hilaire, 1847) - white uakari
                               2 Cacajao rubricundus (I. Geoffroy & Deville, 1848) see Cacajao rubicundus
                               3 Cacajao melanocephalus (Humboldt, 1812) - black-headed uakari
                               4 Cacajao roosevelti (J.A. Allen, 1914) see Chiropotes albinasus (I. Geoffroy Saint-Hilaire & Deville, 1848)