This tuco-tuco is known from southwestern Brazil. Its dorsal hairs have pale bases and dark brown tips, the head and underside are slightly reddish, and the tail is uniformly brown. A handbook lists forests of the southern Amazonian region as its habitat.
The 2016 handbook describes a medium-sized animal with dorsal hairs pale at the base and sepia at the tips, a slightly rufous head and underside, and a uniformly brown tail.
The 2016 species account lists forests of the southern Amazonian region as its habitat. It provides no information on field behavior or diet.
An extinction-risk assessment has not been added yet.