This small cavy occurs in the Dry Chaco of north-central Argentina. The 2017 description used specimens from Santiago del Estero Province; later SAREM material also reports La Rioja Province.
The back is yellowish brown and the underside gray. Pure-white hairs form patches on the throat, inner sides of the fore and hind feet, and the groin.
It is recorded in thorn scrub and dry forest of the Dry Chaco. The original description reports Santiago del Estero Province; SAREM material also records it in La Rioja Province.
An extinction-risk assessment has not been added yet.