Dinosaur Extinction Theories in the Yahoo! Directory

Dinosaur Floor
Meet the dinosaurs and examine what may have caused their demise.
www.cotf.edu/ete/modules/msese/dinosaur.html
What Killed The Dinosaurs?: The Great Mystery
Looks at the invalid hypotheses and current arguments on what killed the dinosaurs.
www.ucmp.berkeley.edu/diapsids/extinction.html
Dinosaur Extinction Page
Presents a few of the theories about why the dinosaurs finally became extinct.
web.ukonline.co.uk/a.buckley/dino.htm
Asteroid Impact Theory (3)
dir.yahoo.com/.../Extinction_Theories/Asteroid_Impact_Theory
Dinosaur Extinctions: No Asteroid or Comet Impact Here
Suggesting that it was ionizing radiation released from a more dynamic Earth that caused the mass extinction.
www.livingcosmos.com/k-t.htm
Enchanted Learning: Dinosaur Extinction
Answering some basic questions about extinctions, in particular the mass extinction of the dinosaurs.
www.enchantedlearning.com/subjects/dinosaurs/extinction/index.html
Wikipedia: Cretaceous-Tertiary Extinction Event
Introduction to the extinction event that occurred about 65 million years ago and is best-known for the extinction of the dinosaurs.
www.wikipedia.org/wiki/Cretaceous-Tertiary_extinction_event
Asteroid Impact vs. Volcano?Greenhouse Dinosaur Extinction Debate
Dewey McLean looks at the orgins of the two theories and the outcomes of the debates between their proponents. Deccan Traps mantle plume volcanism 65 million years ago triggered greenhouse climatic warming and the extinction of the dinosaurs.
filebox.vt.edu/artsci/geology/mclean/Dinosaur_Volcano_Extinction/index.html