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Definition of Erethizon dorsatum
1. Noun. Porcupine of northeastern North America with barbed spines concealed in the coarse fur; often gnaws buildings for salt and grease.
Exact synonyms: Canada Porcupine
Generic synonyms: New World Porcupine
Group relationships: Erethizon, Genus Erethizon
Generic synonyms: New World Porcupine
Group relationships: Erethizon, Genus Erethizon