This rice rat occurs around Mindo in Ecuador's western Andean province of Pichincha. A museum species account places it in primary forest between 1,200 and 2,800 metres, while a South American mammals account describes its coat and tail.
The back is ochre-brown and finely grizzled with dark hairs. The underside is gray, and the tail is usually two-colored.
It is recorded in primary forest on the western Andes of Ecuador, at elevations of 1,200 to 2,800 metres.
An extinction-risk assessment has not been added yet.