This small, long-tailed porcupine was described from Atlantic Forest on the northeastern coast of Brazil. Its back appears fully spiny because it lacks long dorsal fur, and the quill tips are reddish brown against a dark background.
It has a small body and a long tail. Without long dorsal fur, it appears to be covered entirely in spines; the quill tips are reddish brown against a blackish back.
The species description places this porcupine in Atlantic Forest on Brazil's northeastern coast, within the Pernambuco Endemism Centre.
An extinction-risk assessment has not been added yet.