 Class [Mammalia] Linnaeus, 1758 - mammals
 Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
 Order Rodentia Bowdich, 1821 - rodents
     Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
 Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
       Subfamily Arvicolinae Gray, 1821 - voles
 Subfamily Arvicolinae Gray, 1821 - voles
         Genus Lemmiscus Thomas, 1912 - sagebrush vole
 Genus Lemmiscus Thomas, 1912 - sagebrush vole
           1 Lemmiscus curtatus (Cope, 1868) - sagebrush vole
 1 Lemmiscus curtatus (Cope, 1868) - sagebrush vole