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
W. Christopher Wozencraft. Division of Natural Sciences, Bethel College, 1001 W. McKinley Ave., Mishawaka, IN 46545
database: NODC Taxonomic Code;
website: U. S. Fish and Wildlife Service Endangered Species Program-03/01; http://www.fws.gov/endangered/
Hall, E. Raymond 1981-04-03. The Mammals of North America, vol. 2, 2nd ed.. John Wiley and Sons, Inc.. New York, New York, USA. 601-1175. 0-471-05443-5. .
Wilson, Don E., and DeeAnn M. Reeder, eds. 2005-10-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vols. 1 & 2. Johns Hopkins University Press. Baltimore, Maryland, USA. 2142. 0-8018-8221-4. .
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.
