Idaho / 1935
A new species of porcupine from the later Cenozoic of Idaho / by Robert W. Wilson
A new species of porcupine from the later Cenozoic of Idaho / by Robert W. Wilson
The Smithsonian catalogs A new species of porcupine from the later Cenozoic of Idaho / by Robert W. Wilson as books in its Rodents, Fossil records.
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Cover title.