This small marsupial is recorded from the Pampas and Espinal regions of Argentina. Its dorsal fur is brown, with a thin brown ring around each eye. Fecal samples from caldén woodland in La Pampa contained many arthropods, especially larvae and ants.
The dorsal fur is brown, the periocular ring is thin and brown, and the dark mid-rostral line is not pronounced. The hands and feet are sparsely furred.
Feces collected from October 2010 to January 2011 in Prosopis caldenia woodland in La Pampa contained many arthropods, especially larvae and ants. Bird remains occurred more often in juvenile than adult samples.
An extinction-risk assessment has not been added yet.