Mammalia - Rodentia - Cricetidae

Alternative combinations: Arvicola gapperi, Evotomys gapperi

Synonyms: Evotomys carolinensis Merriam 1888, Evotomys caurinus Bailey 1898, Evotomys fuscodorsalis Allen 1894, Evotomys galei Merriam 1890, Evotomys idahoensis Merriam 1891, Evotomys limitis Bailey 1913, Evotomys nivarius Bailey 1897, Evotomys occidentalis Merriam 1890, Evotomys phaeus Swarth 1911, Evotomys proteus Bangs 1897, Evotomys pygmaeus Rhoads 1894, Evotomys ungava Bailey 1897, Evotomys wrangeli Bailey 1897

Belongs to Clethrionomys according to E. R. Hall 1981

Sister taxa: Myodes andersoni, Myodes glareolus, Myodes rutilus, Clethrionomys californicus

Ecology: ground dwelling herbivore

Average measurements (in mm): m1 2.54 x 1.17

Estimated body mass: 90.3 g based on m1 length