Microtus richardsoni macropus
Animalia | Chordata | Mammalia | Rodentia | Cricetidae | Microtus | Microtus richardsoni
Microtus richardsoni macropus
Theria | Placentalia | Boreoeutheria | Euarchontoglires | Rodentia | Supramyomorpha | Myomorphi |  | Muroidea | Cricetidae | Arvicolinae | Microtini | Microtus | Incertae sedis | richardsoni | macropus