Dinosaur Volcano Greenhouse Extinction
- The dinosaur extinction occurred during a Deccan Traps volcanism-induced greenhouse climate change. By Dewey McLean.
- http://filebox.vt.edu/artsci/geology/mclean/Dinosaur_Volcano_Extinction/pages/studentv.html

The End-Cretaceous (K-T) Extinction
- Discusses geologic setting, possible causes, and species affected by the event at the end of the Mesozoic Era.
- http://hannover.park.org/Canada/Museum/extinction/cretmass.html

Science Daily: A World Ruled By Fungi
- 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.
- http://www.sciencedaily.com/releases/2004/03/040308071720.htm

Dinosaurs and Extinctions
- From the Classroom of the Future website. Includes an introduction to the major theories on the Cretaceous-Tertiary extinction event.
- http://www.cotf.edu/ete/modules/msese/dinosaur.html

Dinosaur Extinction
- Short summaries of some theories of dinosaur extinction.
- http://web.ukonline.co.uk/a.buckley/dino.htm

The Great Mystery
- Information on current and past hypotheses on dinosaur extinctions from the University of California Paleontology Museum.
- http://www.ucmp.berkeley.edu/diapsids/extinction.html

101 Crazy Dinosaur Theories
- Theories about dinosaur extinction
- http://palaeo.gly.bris.ac.uk/Communication/Couch/101Theories.html