Class Mammalia Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     Family Cebidae Bonaparte, 1831 - New World monkeys
       Subfamily Pitheciinae Mivart, 1865
         Genus Pithecia Desmarest, 1804 - sakis
           1 Pithecia aequatorialis Hershkovitz, 1987 - equatorial saki
           2 Pithecia albicans Gray, 1860 - white saki
           3 Pithecia irrorata Gray, 1842 - bald-faced saki
           4 Pithecia monachus (É. Geoffroy Saint-Hilaire, 1812) - monk saki
           5 Pithecia pithecia (C. Linnaeus, 1766) - white-faced saki