Bibliography and Index of the Sirenia and Desmostylia  

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"Nopcsa, Franz von"

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 Nopcsa, Franz von (detail)
   
1923
Vorläufige Notiz über die Pachyostose und Osteosklerose einiger mariner Wirbeltiere.
Anat. Anz. 56(15/16): 353-359. Feb. 26, 1923.
–Discusses pachyostosis and related physiological phenomena with reference to adaptation to air-breathing and submergence in sirs. and other marine vertebrates. Concludes that heavy bones serve as ballast, at least in earlier stages of aquatic adaptation, but that pachyostosis and osteosclerosis are basically disturbances of function that might in some cases bring about extinction.
 
 
 Nopcsa, Franz von; Heidsieck, E. (detail)
   
1934
Ueber eine pachyostotische Rippe aus der Kreide Rügens.
Acta Zool. 15: 431-455. 13 figs.
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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