Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Primates Linnaeus, 1758 - primates
       Suborder Haplorrhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918
         Infraorder Simiiformes Haeckel, 1866
           Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812
             Family Pitheciidae Mivart, 1865
               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