This small rodent is known from montane forest in northern Peru. Its long, dense fur is brown to sooty-dark above and gray with a light brown wash below.
The fur is soft, long, and dense; the back is brownish to sooty-dark, while the underside is gray with a light brown wash.
The type specimen was trapped in wet brush. A montane-forest setting is reported, but further behavior and diet are not known from this account.
An extinction-risk assessment has not been added yet.