A small rodent of the arid coastal plains and dune belt of northern Chile. It has very pale fur and a dark stripe from the nose toward the crown.
Its back is very pale yellowish gray to brown, with a dark stripe from the nose between the ears. The underside and hind feet are white; the pale tail lacks a terminal tuft.
It is recorded in the dune belt and arid coastal plains of northern Chile, where sparse shrubs and small trees grow. Very few stomach contents were reported, so its diet cannot be generalized.
An extinction-risk assessment has not been added yet.