This tuco-tuco is restricted to the Valdés Peninsula in Argentina. Its natural history is poorly known, but the reported localities lie in dry country with low shrubs, saline depressions, and sandy dunes.
Its back ranges from brownish olive to tawny olive, while the underside is pale olive-buff with gray-based hairs. Broad feet have strong claws and stiff tufts of hair.
The three reported localities are in dry plains with low shrubs, saline depressions, and sandy dunes. The paper says that much of the species' natural history remains unknown.
An extinction-risk assessment has not been added yet.