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Science - Oceans latest news

Science - Oceans latest news

Species have come and gone at different rates than previously believed

(National science Foundation) Diversity among the ancestors of such marine creatures as clams, sand dollars and lobsters showed only a modest rise beginning 144 million years ago with no clear trend afterwards, according to an international team of researchers. This contradicts previous work showing dramatic increases beginning 248 million years ago and may shed light on future diversity.

Eurekalert.org Thursday, July 03, 2008

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