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Geologist Mark Clementz samples tooth enamel from molars in the lower jaw of a Florida manatee.

April 21, 2011

What tales they tell of their former lives, these old bones of sirenians, relatives of today’s dugongs and manatees.

And now, geologists have found, they tell of the waters in which they swam.

While researching the evolutionary ecology of ancient sirenians–commonly known as sea cows–scientist Mark Clementz and colleagues unexpectedly stumbled across data that could change the view of climate during the Eocene Read more…