This mouse is known from montane forest in the Snow Mountains of western New Guinea. In the two specimens described in the thesis, the back is pale brownish gray and a white marking runs down the middle of the chest and belly.
In the two specimens described in the thesis, the back fur is uniformly pale brownish gray. The underside is lighter gray, with a narrow white marking running from the throat down the midline of the chest and belly, ending before the groin.
The two specimens known in the 2007 account came from the same montane-forest locality in the Snow Mountains. The author reports no other biological information for the species.
An extinction-risk assessment has not been added yet.