Dinosaur Body Temperatures Determined from Isotopic (13C-18O) Ordering in Fossil Biominerals

@article{Eagle2011DinosaurBT,
  title={Dinosaur Body Temperatures Determined from Isotopic (13C-18O) Ordering in Fossil Biominerals},
  author={R. Eagle and T. T{\"u}tken and T. Martin and A. Tripati and H. Fricke and Melissa V. Connely and R. Cifelli and J. Eiler},
  journal={Science},
  year={2011},
  volume={333},
  pages={443 - 445}
}
Large dinosaurs had body temperatures similar to those of modern mammals and birds. The nature of the physiology and thermal regulation of the nonavian dinosaurs is the subject of debate. Previously, arguments have been made for both endothermic and ectothermic metabolisms on the basis of differing methodologies. We used clumped isotope thermometry to determine body temperatures from the fossilized teeth of large Jurassic sauropods. Our data indicate body temperatures of 36° to 38°C, which are… Expand
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