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Related to sewellel beaver: Aplodontia rufa, mountain beaver, Aplodontidae
sewellel beaver:see mountain beavermountain beaver,
stout, short-limbed North American rodent, Aplodontia rufa, not closely related to the true beaver. Also called sewellel beaver after the Chinook word for a robe made from its pelts, it is among the most primitive of the rodents and the only living member
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