Spondyloarthropathy has been reported among modern individuals of several species of ursid. Prehistoric cervical vertebra of black bear (Ursus americanus) recovered from an archaeological site in northwestern Oregon are fused and distorted, indicating spondyloarthropathy in this species has some time depth. Inventory of this disease among paleozoological remains may reveal unknown details of disease history.
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Vol. 19 • No. 2