There are 40 species in the family Pitheciidae, commonly known as titi monkeys, sakis, and uakaris. The most diverse genus in this family is Callicebus, the titi monkeys, with 28 species. There are 5 species of saki monkeys (Pithecia), 5 species of bearded saki monkeys (Chiropotes), and 2 species of uakaris (Cacajao).
- Wilson, D., D. Reeder. 2005. Mammal Species of the World. Baltimore: The Johns Hopkins University Press. Accessed November 16, 2007 at http://nmnhgoph.si.edu/msw/.