This rice rat lives in forests of eastern South America. It builds an egg-shaped nest from leaves and grass under or inside fallen logs and among palm roots.
It is relatively large compared with a close relative, and its tail is often about as long as or longer than the body. The dorsal fur is comparatively long and brighter in color.
It makes an egg-shaped nest from dry leaves and grass, placing it beneath or inside fallen logs or among the aerial roots of palms.
An extinction-risk assessment has not been added yet.