Clethrionomys
Clethrionomys is a genus of small, slender voles. In recent years the genus name was changed to Myodes, however a 2019 paper found that Myodes was actually a junior synonym for Lemmus, thus making it unusable. As such, Clethrionomys is re-established as the proper genus name. At the same time, several species were moved to the genus Craseomys, so members of both genera are referred to as red-backed voles.

The complete list of species is:
Western red-backed vole, Clethrionomys californicus
Tien Shan red-backed vole, Clethrionomys  centralis
Southern red-backed vole, Clethrionomys gapperi
Bank vole, Clethrionomys glareolus
Northern red-backed vole, Clethrionomys rutilus

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External links

Extant Piacenzian first appearances