Microtus agrestis subsp. fiona Montagu 1922 Dataset Microtus agrestis (Rodentia: Cricetidae) Rank SUBSPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Rodentia family Muridae genus Microtus species Microtus agrestis Name Homonyms Microtus agrestis subsp. fiona Montagu 1922