This tuco-tuco lives in northwestern Chubut, Argentina. All six localities known when it was described were open areas within native forest. Males are larger than females; the adult male and female type specimens weighed 300 g and 200 g.
Males are larger than females, and the skull is long. The adult male holotype weighed 300 g and had an 89 mm tail and 11 mm ears. The adult female paratype, collected on the same day, weighed 200 g and had a 78 mm tail and 9 mm ears. Males also have larger eye sockets.
It lives in open areas within native forest. All six localities known when it was described lay within forests containing trees such as Nothofagus. Juveniles have been collected in January and February.
An extinction-risk assessment has not been added yet.