University of California
Ucmp: Introduction to the Cenozoic
A good brief review of The Cenozoic Era, which also includes links to more detailed information as well as a chart of its subdivisions.
Read Works
Read Works: Fossils & Dinosaurs the Extinction of Dinosaurs
[Free Registration/Login Required] This informational text passage provides some explanations of what may have caused the dinosaurs to become extinct.This passage is a stand-alone curricular piece that reinforces essential reading skills...