Curator of Dinosaurs, Denver Museum of Nature and Science

Looks at the effects of global changes, like climate and shifting continents, on the evolution of dinosaurs and crocodiles. During the Mesozoic, shifting continents and fluctuating sea levels created a dynamic global system, influencing the distribution of animals and the evolution of terrestrial ecosystems. New fossil discoveries in western North America, Madagascar, and Africa are the focus of his research.


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