Mammalia - Rodentia - Cricetidae
Invalid subtaxa: Arvicola didelta Cope 1871 [nomen dubium], Arvicola involuta Cope 1871 [nomen dubium], Blanfordimys Argyropulo 1933, Microtus (Pedomys) Baird 1858, Microtus didelta Cope 1871 [nomen dubium], Microtus dideltus Cope 1871 [nomen dubium], Neodon, Pedomys Baird 1858, Phaiomys Blyth 1863, Pitymys McMurtrie 1831, Pitymys dideltus Cope 1871 [nomen dubium], Pitymys involutus Cope 1871 [nomen dubium], Terricola Fatio 1867
Parent taxon: Arvicolini according to T. Galewski et al. 2006
Sister taxa: Arvicola, Chionomys, Villanyia
Subtaxa: 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 longicaudus, 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