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Science 1 May 1970:
Vol. 168. no. 3931, pp. 572 - 573
DOI: 10.1126/science.168.3931.572
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Articles

Coincidence of Climatic and Faunal Fluctuations in Pleistocene Bermuda

Stephen Jay Gould 1

1 Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts 02138

As the climate of Pleistocene Bermuda oscillated during the last two glacial cycles, coincident variation occurred for a variety of independent events in the form and diversity of land snails. This variation was influenced primarily by the availability of calcium carbonate for shell construction.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)