Infraorder Platyrrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812
Count: [g†g] 2f;16g; †23g;21s
   Family Atelidae Gray, 1825
  Count: [g†g] 9g; †13g;11s
     Subfamily Pitheciinae Mivart, 1865
    Count: [g†g] 5g; †9g;8s
       01 Genus Pithecia Desmarest, 1804 - sakis
      Count: -
       02 Genus Chiropotes Lesson, 1840 - bearded sakis
      Count: -
       03 Genus Cacajao Lesson, 1840 - uakaris
      Count: -
       04.1 Genus Aotus Illiger, 1811 - douroucoulis
      Count: †1s
       04.2 Genus †Tremacebus Hershkovitz, 1974
      Count: †1s
       05 Genus Callicebus Thomas, 1903 - titi monkeys
      Count: -
       06 Genus †Soriacebus Fleagle, Powers, Conroy & Watters, 1987
      Count: -
       07 Genus †Carlocebus Fleagle, 1990
      Count: -
       08 Genus †Homunculus Ameghino, 1891
      Count: †1s
       09 Genus †Propithecia Kay et al., 1998, nom. illeg. see Genus Proteropithecia Kay, Johnson & Meldrum, 1999
      Count: †1s
       10 Genus †Cebupithecia Stirton & Savage, 1951
      Count: †1s
       11 Genus †Nuciruptor Meldrum & Kay, 1997
      Count: †1s
       12 ?Genus †Lagonimico Kay, 1994
      Count: †1s
       13 Genus †Xenothrix Williams & Koopman, 1952 - Jamaican monkey
      Count: †1s