This rodent is known from sandy sites in central Patagonian Argentina. Its back is pale brown, its belly and legs are whitish, and its tail is bicolored.
The dorsal fur is pale brown; the underside and fore- and hind limbs are white to whitish. The tail is bicolored and has sparse fur.
It inhabits sandy badlands with sparse shrub steppe. Burrows were often found beneath Atriplex shrubs.
An extinction-risk assessment has not been added yet.