Berta, Annalisa, <br/><br/>
The rise of marine mammals :  50 million years of evolution / 
Annalisa Berta ; graphics editor, James L. Sumich ; illustrations by Carl Buell, Robert Boessenecker, William Stout, and Ray Troll. 
 - Baltimore :  Johns Hopkins University Press,  (c)2017. 
 - 1 online resource (198 pages) 
<br/><br/>Includes bibliographies and index. 
<br/><br/>Setting the stage : rocks, fossils and evolution --  The oldest marine mammals : whales and sea cows --  Later diverging whales : Neoceti --  Aquatic carnivores : pinnipeds and a bear-like carnivoran --  Crown sirenians and their desmostylian relatives --  Aquatic sloths and recent occupants of the sea-sea otters and polar bears --  Diversity changes through time : the influence of climate change and humans. 
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<br/><br/><label>ISBN: </label>9781421423265 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine animals--Evolution.<br/>Mammals--Evolution.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic Books.
<br/><br/><label>LC Class. No.: </label>QL121  / .R574 2017