Lagothrix flavicauda Humboldt, 1812 . Rec. Observ. Zool., 1:363.

TYPE LOCALITY: Peru, San Martin, Puca Tambo, 5100 ft .

DISTRIBUTION: E Andes in San Martin (Peru) and Amazonas (Brazil).

STATUS: CITES - Appendix I; U.S. ESA and IUCN - Endangered.

SYNONYMS: hendeei Thomas.