Order Primates Author James H. Honacki Author Kenneth E. Kinman Author James W. Koeppl text 1982 Alien Press, Inc. & The Association of Systematics Collections Lawrence, Kansas, USA Editor James H. Honacki Editor Kenneth E. Kinman Editor James W. Koeppl Mammal Species of the World (1 st Edition) 216 243 book chapter http://doi.org/10.5281/zenodo.7353017 67397223-b7e8-4f7e-a41e-674d04843525 0-89327-235-3 7353017 Alouatta pigra Lawrence, 1933 . Bull. Mus. Comp. Zool., 75:333 . TYPE LOCALITY: Guatemala , Peten , Uaxactun . DISTRIBUTION: Yucatan and Chiapas ( Mexico ) to Belize and Guatemala . COMMENT: The name villosa has been applied to this species (see Napier, 1976 , Cat. Primates Br. Mus. (Nat. Hist.) , Part 1, p. 76) but Lawrence, 1933 , regarded it as a nomen dubium; see Smith, 1970 , J. Mammal., 51:366, and Hall, 1981:260 , 263. PROTECTED STATUS: CITES - Appendix II as Order Primates and U.S. ESA - Endangered as A. pigra . ISIS NUMBER: 5301406006006005001 as A. villosa .