This rodent has short, fine fur, a dark yellowish-brown back, and a whitish-gray underside. Records are from southern Andean forests, ecotones, and dense Nothofagus underbrush.
The HMW account describes a dark yellowish-brown back and a whitish-gray underside tinged by plumbeous underfur. The fur is short and fine, and the top and sides of the nose are dark grayish brown.
HMW records it in forests and ecotones of the southern Andean mainland, especially dense Nothofagus underbrush and precordilleran shrubland and grassland steppe.
An extinction-risk assessment has not been added yet.