Other
University of Bristol: The Kt Event
This dinosaur site, containing eight different sections, includes topics such as: 101 crazy theories about dinosaur extinction, the pattern and timing of extinction, evidence for late cretaceous climatic change, gradual extinction and...
Science Struck
Science Struck: Mesozoic Era Timeline and Important Facts
Provides an overview of the Mesozoic Era, its time frame, geological and tectonic activities, the climate, plants and animals, and extinction events towards the end of this era.
Indiana University
Indiana Univ. Bloomington: Geo Notes: Dinosaur Fossils Not Found in Indiana [Pdf]
Discusses the mass extinction event that wiped out many prehistoric animals 65 million years ago and why there are no dinosaur fossils to be found in Indiana.
Science Struck
Science Struck: Devonian Period Facts
Looks at the geological changes, climate, and flora and fauna of the Devonian Period.