This small rodent occurs in southeastern Amazonia, Brazil. Its brown back is flecked with black and orange, while the underside is white to buff. All 17 capture records examined in the study came from pitfall traps, and some were specifically linked to forest sites.
The brown dorsal fur is sprinkled with black and orange, with a thin orange flank line. The underside is white to buff, with orange hair tufts behind the ears.
All 17 capture records available to the study came from pitfall traps. Two were from upland terra firme forest and three from primary forest of unspecified type.
An extinction-risk assessment has not been added yet.