Class [Mammalia] Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Family Erethizontidae Bonaparte, 1845 - New World porcupines Genus Erethizon Cuvier, 1822 - North American porcupine Erethizon dorsatum (C. Linnaeus, 1758) - North American porcupine