genus Erethizon

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Related to genus Erethizon: Erethizon dorsatum
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Noun1.genus Erethizon - a genus of Erethizontidaegenus Erethizon - a genus of Erethizontidae    
mammal genus - a genus of mammals
Erethizontidae, family Erethizontidae - New World arboreal porcupines
Canada porcupine, Erethizon dorsatum - porcupine of northeastern North America with barbed spines concealed in the coarse fur; often gnaws buildings for salt and grease
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