Family Atelidae
This family regroups all howlers, spider monkeys, woolly monkeys and their relatives.

Alouatta caraya – Paraguayan howler
Alouatta pigra – Central American black howler
Alouatta seniculus – Colombian red howler
Ateles belzebuth – White-bellied spider-monkey
Ateles chamek – Black spider-monkey
Ateles fusciceps rufiventris – Colombian black spider-monkey
Ateles geoffroyi geoffroyi – Central American spider-monkey
Ateles geoffroyi ornatus – Central American spider-monkey
Ateles geoffroyi vellerosus – Central American spider-monkey