Bibliography and Index of the Sirenia and Desmostylia  

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"Gramling, Carolyn"

 
 
 Gramling, Carolyn (detail)
   
2011
Toothsome sleuths of ancient oceans.
Earth 56(7): 23. 2 figs. July 2011.
–ABSTRACT: About 50 million years ago, a group of marine mammals called sirenians - manatees, sea cows and dugongs - swam serenely in the greenhouse gas-heated warm waters of the Eocene epoch. Greenhouse gas concentrations were five times higher than today, and global temperatures were as much as 12 degrees Celsius warmer. It may also have been considerably wetter - but data on that part of the climate have been hard to come by. Now, a new study suggests the teeth of ancient manatees can provide a window into the hydrologic cycle of the Eocene.
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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