University of California
University of California Museum of Paleontology: Fossil Evidence
Understanding Evolution provides evidence for evolution using fossils. There are also links to lesson plans.
University of California
University of California Irvine: Evolution of Mammals
A strong, comprehensive look at the evolution of mammals. Includes factors such as changing geologic structure of the earth and the different types found on different continents.
University of California
University of California: The Age of Mammals
This online chapter of a book studying biodiversity and conservation explores the evolution of mammals, from the extinction of the dinosaurs to the evolution of humans.
University of California
Ucmp: Eutheria: Systematics, Part
A cladogram that gives the evolutionary relationship between the different groups of mammals. Modern relationship drawing, somewhat difficult to interpret.
Other
Warrensburg Schools: The Evolution of Mammals
This site from Warrensburg Schools is a high school site that touches on most of the major information in the most common account of the evolution of mammals.
Other
Twow:the Gradual Evolution of Mammals
An interesting page, full of references that discusses the evolution of mammals. High level discussion.
Other
Bio Web Evolution: Homepage
This site from BioWeb Evolution was originally created as a ThinkQuest entry, and it has some good basic information about evolution. This page is on fossils and geologic time.
Enchanted Learning
Enchanted Learning: The Evolution of Mammals
A good and easy to read history of mammals. Relatively brief discussion of the evolutionary history.