Niviventer andersoni

Li, Song & Yang, Junxing, 2009, Geographic variation of the Anderson’s Niviventer (Niviventer andersoni) (Thomas, 1911) (Rodentia: Muridae) of two new subspecies in China verified with cranial morphometric variables and pelage characteristics, Zootaxa 2196, pp. 48-58 : 57

Key to the subspecies of N. andersoni

1. The distal tail, including the terminal third to a quarter of its length maroon; sides of muzzle grayish ........................ .................................................................................................................................... N. a. ailaoshanensis subsp. nov.

- The distal tail, including the terminal third to a quarter of its length white; sides of muzzle mainly ochraceous, or mixed with grayish more or less ................................................................................................................................... 2

2. Belly pure white and back are a mixture of gray and ochraceous, with black intermixed along the back..................... ............................................................................................................................................................... N. a. andersoni

- Belly yellow-whitish and back are a mixture of gray and ochraceous, but with more black intermixed along the back, and the general impression being darker ......................................................................... N. a. pianmaensis subsp. nov.