Tropical Temperatures At The Cretaceous Poles
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About The Author

Huber currently works at the Department of Paleobiology, Smithsonian Institution. Brian specializes in foraminiferal evolution and extinction, biostratigraphy, and taxonomy, and he does reserach in paleoclimate reconstructions and paleoceanography. His current research centers on the evolution of Cretaceous climate and Cretaceous Oceanic Anoxic Events.

                       

Tropical Temperatures At The Cretaceous Poles

Evidence that the polar regions were much warmer during the Cretaceous Period (145-66 million years ago) compared to today has accumulated during the past century with numerous reports of fossil wood, dinosaurs, and other temperature sensitive organisms that lived in the Arctic and Antarctic regions. Discovery of champsosaur (a crocodile-like reptile) remains, found at ~72°N and dated as 94-86 million years old (Ma), proved that the winter temperatures they endured could not have fallen below freezing given their metabolic requirements...

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