Class [Mammalia] Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     Family Cebidae Bonaparte, 1831 - New World monkeys
       Genus Cacajao Lesson, 1840 - uakaris
         1 Cacajao calvus (I. Geoffroy Saint-Hilaire, 1847) - white uakari
         2 Cacajao melanocephalus (Humboldt, 1812) - black-headed uakari
         3 Cacajao rubicundus - red uakari see Cacajao calvus rubicundus (I. Geoffroy Saint-Hilaire & Deville, 1848)