Biology 106 - Elementary Zoology. Zoo School Home Page. Classification of Living Things: Topic Menu. The First Mammals – The Mammals of the Triassic, Jurassic and Cretaceous Periods. Animal Diversity Web. The KT extinction. Tracking the Course of Evolution by Richard Cowen NOTE: This is page 1 of a three-page document. THIS ESSAY, written in 1999, is a chapter from my book History of Life, published by Blackwell Science, Boston, Massachusetts, 2000. © Richard Cowen. You may print out a copy for personal or educational use, and you may link to this site.
Cowen, R. 1994. See also a separate essay devoted to the general topic of major extinctions, and for an outline of Richard Cowen's oral presentation. At the Geology Department at the University of California, Davis, Richard Cowen tries to maintain other Web pages of interest: Updates and Web links for the essay on the KT Extinction New references on the KT Extinction that have appeared since History of Life was published. The End of the Dinosaurs: The K-T extinction Despite the scale of the extinctions, however, we must not be trapped into thinking that the K-T boundary marked a disaster for all living things.
An Asteroid or Cometary Impact? CONTINUE to page 2.