Infraorder Platyrrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812
   Family Atelidae Gray, 1825
     Subfamily Pitheciinae Mivart, 1865
       01 Genus Pithecia Desmarest, 1804 - sakis
       02 Genus Chiropotes Lesson, 1840 - bearded sakis
       03 Genus Cacajao Lesson, 1840 - uakaris
       04.1 Genus Aotus Illiger, 1811 - douroucoulis
       04.2 Genus †Tremacebus Hershkovitz, 1974
       05 Genus Callicebus Thomas, 1903 - titi monkeys
       06 Genus †Soriacebus Fleagle, Powers, Conroy & Watters, 1987
       07 Genus †Carlocebus Fleagle, 1990
       08 Genus †Homunculus Ameghino, 1891
       09 Genus †Propithecia Kay et al., 1998, nom. illeg. see Genus Proteropithecia Kay, Johnson & Meldrum, 1999
       10 Genus †Cebupithecia Stirton & Savage, 1951
       11 Genus †Nuciruptor Meldrum & Kay, 1997
       12 ?Genus †Lagonimico Kay, 1994
       13 Genus †Xenothrix Williams & Koopman, 1952 - Jamaican monkey