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Published online 3 March 2008 | Nature | doi:10.1038/news.2008.637
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How primates crossed continents
Oldest primate fossils in America suggest they came straight from Asia.
Several teeth of mouse-sized primitive primates have been unearthed in Mississippi that are older than any other such fossils found in Europe or North America.
The record-breaking tiny chompers suggest that the creatures travelled from Asia to North America across the Bering land bridge between Siberia and Alaska, and then later journeyed on to Europe across another land bridge linking North America to Greenland and Scotland.
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