Earth Sciences: Paleontology: Extinction: Cretaceous-Tertiary

Theories about dinosaur extinction

Information on current and past hypotheses on dinosaur extinctions from the University of California Paleontology Museum.

From the Classroom of the Future website. Includes an introduction to the major theories on the Cretaceous-Tertiary extinction event.

The dinosaur extinction occurred during a Deccan Traps volcanism-induced greenhouse climate change. By Dewey McLean.

After the extinction event, the dominant life form was the fungi that thrived in the dark. Researchers have constructed a timeline of the fungal takeover and eventual replacement by resurgent plant life.

Discusses geologic setting, possible causes, and species affected by the event at the end of the Mesozoic Era.