New biogeographic reconstruction of primates, flying lemurs, and tree shrews about 185 millions of years in the early Jurassic. (Credit: Image courtesy of Buffalo Museum of Science)From Science Daily:
Science Daily (Jan. 20, 2010) — A new model for primate origins is presented in Zoologica Scripta, published by the Norwegian Academy of Science and Letters and The Royal Swedish Academy of Sciences. The paper argues that the distributions of the major primate groups are correlated with Mesozoic tectonic features and that their respective ranges are congruent with each evolving locally from a widespread ancestor on the supercontinent of Pangea about 185 million years ago.
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