- Family CEBIDAE
- Subfam. Cebinae
| Cebus | Capuchin monkey
| | Saimiri | Squirrel monkey
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- Subfam. Aotinae
| Aotus | Night monkey, douruculi
| | Callicebus | Titi
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- Subfam. Pitheciinae
| Pithecia | Saki
| | Chiropotes | Bearded saki
| | Cacajao | Ouakari
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- Subfam. Alouattinae
- Subfam. Atelinae
| Ateles | Spider monkey
| | Brachyteles | Wooly spider monkey
| | Lagothrix | Wooly monkey
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- Family CALLITRICHIDAE
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| Callithrix | Marmoset
| | Cebuella | Pigmy marmoset
| | Saguinus | Tamarin
| | Leontideus | Lion tamarin
| | Callimico | Goeldi's lion marmoset
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