The Borneo black-banded squirrel has a contrasting side stripe and a ringed tail. It occurs in Borneo's forests, and stomach contents have included fruits and ants.
Its coat is brown and speckled, with a gray underside. A black-and-white stripe runs along the side, and the tail is ringed.
Fruits and black ants were identified in stomach contents.
An extinction-risk assessment has not been added yet.