Emilio's tuco-tuco is a subterranean rodent known from dune areas in Neuquén, Argentina. Its pale fawn back contrasts with whitish sides and belly.
Its back is a glossy pale fawn, contrasting with whitish sides and belly and a darker brown rump. The feet and tail are also whitish.
It lives in sandy soils and dunes, with records up to 800 m elevation. The species account provides little further detail about diet or daily activity.
An extinction-risk assessment has not been added yet.