How many types of spider monkeys are there?

There are 7 to 9 species of spider monkeys in the world, genus Ateles. The related genus is Brachyteles, the "woolly spider monkey" (also known as the Muriqui). There are 3 subspecies of the black-headed spider monkey and 4 additional subspecies within the species Geoffroyi.

Red-faced spider monkey, Ateles paniscus

White-fronted spider monkey, Ateles belzebuth

Peruvian spider monkey, Ateles chamek

Brown spider monkey, Ateles hybridus

White-cheeked spider monkey, Ateles marginatus

Black-headed spider monkey, Ateles fusciceps

Brown-headed spider monkey, Ateles fusciceps fusciceps

Colombian spider monkey, Ateles fusciceps rufiventris

Geoffroy's spider monkey, Ateles geoffroyi

- Yucatan spider monkey, Ateles geoffroyi yucatanensis

- Mexican spider monkey, Ateles geoffroyi vellerosus

- Nicaraguan spider monkey, Ateles geoffroyi geoffroyi

- Ornate spider monkey, Ateles geoffroyi ornatus

The most endangered spider monkeys are the black-headed spider monkey and the brown spider monkey.