|
Spermophilus (Spermophilus) richardsonii
|
|
|
Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Sciuridae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 754-818
: 811
|
811 |
|
Spermophilus richardsonii
|
|
|
James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Rodentia (Part 1), Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA: Alien Press, Inc. & The Association of Systematics Collections, pp. 345-382
: 370
|
370 |
|
Spermophilus richardsonii
|
|
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Robert S. Hoffmann & Charles G. Anderson, 1993, Order Rodentia - Family Sciuridae, Mammal Species of the World (2 nd Edition), Washington and London: Smithsonian Institution Press, pp. 419-465
: 449
|
449 |
