Bibliography and Index of the Sirenia and Desmostylia  

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"Morita, M."

Morita, M.: SEE Edmonds et al., 1997. (detail)
x
 
 Edmonds, J. S.; Shibata, Y.; Prince, Robert I. T.; Preen, Anthony R.; Morita, M. (detail)
   
1997
Elemental composition of a tusk of a dugong, Dugong dugon, from Exmouth, Western Australia.
Mar. Biol. 129(2): 203-214. 5 tabs. 5 figs.
–X-ray fluorescence-imaging and analysis of acid-digested material from a tusk of a 55-year-old pregnant female dugong provided a record of fluctuations in barium, calcium, iron, lithium, magnesium, sodium, phosphorus, strontium, and zinc. These fluctuations are attributed to natural environmental changes and/or changes in the dugong's physiology with increasing age; elements usually regarded as pollutants or as affected by anthropogenic changes were not detected.
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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