Dr. James G. Mead. Vertebrate Zoology, National Museum of Natural History, Washington, DC 20560
Alfred L. Gardner. Curator of North American mammals and Chief of Mammal Section, National Biological Service, Smithsonian Institution, National Museum of Natural History, Washington, DC, USA
database: Comisión Nacional para el Conocimiento y Uso de la Biodiversidad; CONABIO: (http://www.conabio.gob.mx/)
database: NODC Taxonomic Code;
website: Mammal Species of the World; http://nmnhgoph.si.edu/msw/
website: U. S. Fish and Wildlife Service Endangered Species Program; http://www.fws.gov/endangered/
database: U. S. Dept. Interior;
Wilson, Don E., and DeeAnn M. Reeder, eds. 1992-01-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. Smithsonian Institution Press. Washington, DC, USA. xviii + 1207. 1-56098-217-9. Corrections were made to text at 3rd printing.
Wilson, Don E., and F. Russell Cole 2000-01-01. Common Names of Mammals of the World. Smithsonian Institution Press. Washington, DC, USA. xiv + 204. 1-56098-383-3. With contributions by Bernadette N. Graham, Adam P. Potter, and Mariana M. Upmeyer.
Mead, James G., and Robert L. Brownell, Jr. / Wilson, Don E., and DeeAnn M. Reeder, eds. 2005-10-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vol. 1. Johns Hopkins University Press. Baltimore, Maryland, USA. 723-743. 0-8018-8221-4. .
Hershkovitz, Philip 1966-01-01. United States National Museum Bulletin 246. . . viii + 259. . .
Brownell, Robert L. Jr. 1983-04-08. Mammalian Species, no. 198. . . 1-3. . .
Rice, Dale W. 1998-01-01. Special Publications of the Society for Marine Mammals, no. 4. The Society for Marine Mammalogy. Lawrence, Kansas, USA. ix + 231. 1-891276-03-4. .
Mead & Brownell, Jr., in Wilson & Reeder, eds. (2005): Status: CITES - Appendix I; U.S. ESA - Endangered; IUCN - Critically Endangered
Mead & Brownell, Jr., in Wilson & Reeder, eds. (2005): Comments: Reviewed by Brownell (1983, Mammalian Species, 198)
