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. .
Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes 2003-12-31. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. . . . . As-yet (2003) unpublished manuscript from 1998.
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: Ellerman (1940) reviewed the history of sciurid classification. The first modern classification (Pocock, 1923) recognized six subfamilies: Sciurinae, Tamiasciurinae, Funambulinae, Callosciurinae, Xerinae, and Marmotinae. We do not accept the use of Nannosciurinae (Forsyth Major, 1895) as a senior synonym for Callosciurinae (Pocock, 1923), as proposed by McKenna and Bell (1997). Simpson (1945) recognized the same taxa, but all at the tribal level. Ellerman (1940) avoided formal designation, ...