The Gansu hamster (Cansumys canus) is a species of rodent in the family Cricetidae, endemic to China. It is the only species in the genus Cansumys.
References
Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.