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
Banks, R. C., R. W. McDiarmid, and A. L. Gardner 1987-01-01. Resource Publication, no. 166. United States Department of the Interior Fish and Wildlife Service. Washington, D.C., USA. 79. . .
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.
Thorington, Richard W., Jr., and Robert S. Hoffman / Wilson, Don E., and DeeAnn M. Reeder, eds. 2005-10-01. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vol. 2. Johns Hopkins University Press. Baltimore, Maryland, USA. 754-818. 0-8018-8221-4. .
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.
Thorington, Richard W., Jr., John L. Koprowski, Michael A. Steele, and James F. Whatton 2012-01-01. Squirrels of the World. Johns Hopkins University Press. Baltimore, Maryland, USA. vii + 459. 1-4214-0469-9. .
Wilson & Reeder, eds. (2005): Comments: Tribe Cynomyini (Gromov et al., 1965), or Marmotini (McKenna and Bell, 1997). Revised by Pizzimenti (1975). Clark et al. (1971) published a key to the genus. Includes Cynomys and Leucocrossuromys as subgenera. Relationships of Cynomys to other ground squirrels are in flux. While generally regarded as monophyletic, and a sister-group to North American Spermophilus, recent evidence suggests that Cynomys may be most closely related to the subgenera Ictidomys and Xerospermophilus, making genus ...