This small rodent is known from southeastern Brazil. It has long ochre-brown fur and an orange rump; known specimens came from ground-level traplines.
Its back has soft ochre-brown fur, its rump is orange, and its underside is pale brown. The long tail is dark above and whitish below.
Known specimens were caught in ground-level traplines among vegetation ranging from Araucaria forest to grass and bromeliad patches.
An extinction-risk assessment has not been added yet.