This rodent was described from the Marañón River region of northern Peru. A black line at the center of the nose tip is one of its diagnostic features.
Its dorsal fur is cinnamon-colored and short, and it has a black line at the center of the nose tip.
In January and March 2012, specimens were caught in traps set at ground level inside forest, and the species was recorded in both dry and wet seasons. Survey sites lay in a transition between dry and premontane forest and also included cacao and rice cultivation and secondary vegetation.
An extinction-risk assessment has not been added yet.