Patton's Spiny-rat is known from western Amazonian Brazil and Peru. Its reddish back has black streaks, while its chin and belly are white.
The dorsal coat is reddish-brown to auburn with black streaks and stiff spines. The chin, upper lips, and underside are white.
Records come from terra firme forest that does not flood seasonally, including undisturbed forest and disturbed areas dominated by bamboo.
An extinction-risk assessment has not been added yet.