Eocene Fossils: These specimens are adjunct to a larger collection (15,500 pieces of rock on which are contained perhaps as many as 65,000 individual specimens), donated to and housed at the USNM-Smithsonian Institution, Washington, D.C.
Institute of Arctic and Alpine Research: Quaternary paleoecology site from the University of Colorado, Boulder's Scott Elias
Pliocene: A short background.
Quaternary Entomology Laboratory: A lab specializing in the analysis and application of Pleistocene and Holocene insect remains for paleoenvironmental analyses. Located in the Department of Geosciences, North Dakota State University
The Age of Mammals: An overview of Cenozoic mammalian evolution.
The Cenozoic Era: An overview of the era from the UC Berkeley Museum of Paleontology.