Microtus pennsylvanicus
Biota | Animalia | Chordata | Vertebrata | Gnathostomata | Tetrapoda | Mammalia | Theria | Rodentia | Cricetidae | Microtus | Microtus pennsylvanicus
WORMS:1 | WORMS:2 | WORMS:1821 | WORMS:146419 | WORMS:1828 | WORMS:1831 | WORMS:1837 | WORMS:380416 | WORMS:404079 | WORMS:1451010 | WORMS:1506685 | WORMS:1600414
| kingdom | phylum | subphylum | infraphylum | megaclass | class | subclass | order | family | genus | species
|  | Haeckel, 1874 |  | von Zittel, 1879 |  | Linnaeus, 1758 |  | Bowdich, 1821 | Fischer de Waldheim, 1817 | Schrank, 1798 | (Ord, 1815)