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Evolution, Interchange, and Resemblance of the North American and Eurasian Cenozoic Mammalian Faunas

George Gaylord Simpson
Evolution
Vol. 1, No. 3 (Sep., 1947), pp. 218-220
DOI: 10.2307/2405497
Stable URL: http://www.jstor.org/stable/2405497
Page Count: 3
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Evolution, Interchange, and Resemblance of the North American and Eurasian Cenozoic Mammalian Faunas
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