Synaptomys borealis

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Noun1.Synaptomys borealis - of wet alpine and subalpine meadows of Canada and Alaska
lemming - any of various short-tailed furry-footed rodents of circumpolar distribution
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References in periodicals archive ?
Although the fish fossils represent wide-ranging taxa, the mammal fossils include northern taxa such as Dicrostonyx sp., Lemmus sp., Synaptomys borealis, and Microtus xanthoganthus.
Synaptomys borealis (Richardson, 1828) (Northern Bog Lemming)
Remarks: PM reports that the upper right M3 is similar in size to that of Synaptomys borealis, the Northern Bog Lemming, which is a larger species than S.