Mammalia - Rodentia - Cricetidae

Alternative combination: Arvicola longicaudus

Synonyms: Arvicola alticolus Merriam 1890, Arvicola leucophaeus Allen 1894, Arvicola mordax Merriam 1891, Microtus angusticeps Bailey 1898, Microtus cautus Allen 1899, Microtus macrurus Merriam 1898, Microtus mordax Merriam 1891, Microtus vellerosus Allen 1899

Belongs to Microtus according to T. Galewski et al. 2006

Sister taxa: Microtus agrestis, Microtus arvalis, Microtus australis, Microtus brecciensis, Microtus bucharicus, Microtus californicus, Microtus chrotorrhinus, Microtus drummondi, Microtus duodecimcostatus, Microtus epimticeps, Microtus guatemalensis, Microtus guentheri, Microtus guildayi, Microtus hibbardi, Microtus irene, Microtus kikuchii, Microtus leucurus, Microtus llanensis, Microtus mandarinus, Microtus meadensis, Microtus mexicanus, Microtus middendorffi, Microtus miurus, Microtus montanus, Microtus morlani, Microtus oaxacensis, Microtus ochrogaster, Microtus oeconomus, Microtus paroperarius, Microtus pennsylvanicus, Microtus pinetorum, Microtus quasiater, Microtus richardsoni, Microtus rossiaemeridionalis, Microtus umbrosus, Microtus xanthognathus, Pitymys aratai, Pitymys cumberlandensis, Pitymys mcnowni, Pitymys nemoralis, Pitymys parvulus

Ecology: ground dwelling herbivore