This rodent was described from mountain country in Tucumán Province, northwestern Argentina. It is very dark, with nearly black hairs over the ears, a white spot under the chin, and long, sturdy claws. Most specimens were trapped where montane forest meets highland grassland.
It is very dark, with nearly black hairs over the ears, a white spot under the chin, and long, sturdy claws.
Most specimens were trapped at the ecotone between montane forest and highland grassland. Type-series records also include alder forest and grass communities, but captures alone do not establish habitat preference.
An extinction-risk assessment has not been added yet.