Dinosaur's Last Gasp - Article from Notre Dame Magazine. Dinosaurs and Extintions - From the Classroom of the Future website. Includes an introduction to the major theories on the Cretaceous-Tertiary extinction event. Hypotheses for Mass Extinction Problem - Extinction ideas and related ideas. The Great Mystery - Information on current and past hypotheses on dinosaur extinctions from the University of California Paleontology Museum.
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