Article
Climate change, body size evolution, and Cope's Rule in deep-sea ostracodes.
Proceedings of the National Academy of Sciences of the United States of America - 31 Jan 2006
Hunt Gene, Roy Kaustuv
Abstract excerpt
Causes of macroevolutionary trends in body size, such as Cope's Rule, the tendency of body size to increase over time, remain poorly understood. We used size measurements from Cenozoic populations of the ostracode genus Poseidonamicus, in conjunction with phylogeny and paleotemperature estimates, to show that climatic cooling leads to significant increases in body size, both overall and within individual...
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