Reconstructing the New World monkey family tree: After landing in Americas, primates spread as far as Caribbean, Patagonia

A Duke scientist has reconstructed the most comprehensive family tree to date of the monkeys that arrived in South America 37 or more million years ago and their subsequent evolution. The research uncovered several patterns, suggesting, among other things, that sea level rise and the arrival of humans likely caused the extinction of monkeys native to the Caribbean islands, and that monkeys once lived in the extreme southern reaches of South America.
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Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/vldAiMTYXds/140103205303.htm