Color vision first appears in prosimians and other species (which eventually will begat primates)

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CONTENTS of 59,999,999 BC- 51,000 BC Large land and aquatic mammals appear; many kinds of primates appear (almost as many go extinct); an island continent finally disappears for good; the Mediterranean valley turns into the Mediterranean Sea; human beings emerge, develop housing, clothes, lamps, and drugs, breed dogs, use horses; Mars dies (or goes dormant)

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Approximately 55,000,000 BC: Color vision first appears in prosimians and other species (which eventually will begat primates)

-- Shedding light on the origin of primate color vision, Contact: Sharon Parmet sparmet@mcis.bsd.uchicago.edu 773-702-6241 University of Chicago Medical Center , 3 NOVEMBER 1999, EurekAlert! (http://www.eurekalert.org)

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