Chionomys is a genus of rodent in the family Cricetidae.
Taxonomy Mammal Species of the World and the IUCN recognize the following 3 species: Caucasian snow vole (Chionomys gud) European snow vole (Chionomys nivalis) Robert's snow vole (Chionomys roberti)
The American Society of Mammalogists additionally recognizes these two species: Lazistan snow vole (Chionomys lasistanius) Stekolnikov's snow vole (Chionomys stekolnikovi)
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