The South-eastern Woolly Mouse Opossum is a small climbing marsupial with long, dense fur. It eats insects and fruit, and occurs in the Atlantic Forest of eastern South America.
It has a stocky body, a fairly short snout, and long, dense, woolly fur. The back is grayish, while the underside is cream to yellowish white.
It is active at night and uses several forest levels, from the canopy to the ground. It eats insects and also takes seeds and fruit when available.
An extinction-risk assessment has not been added yet.