This leaf-eared mouse is recorded from mountain forests in Tucuman Province, northwestern Argentina. The description documents two localities, including the type site in Campo de Los Alisos National Park.
The dorsal fur is cinnamon brown with scattered black hairs, while the underside is a strong cinnamon color.
The type locality is in upper montane forest dominated by deciduous Andean alder. The second known locality is evergreen Myrtaceous forest.
An extinction-risk assessment has not been added yet.