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.

Quaternary paleoecology site from the University of Colorado, Boulder's Scott Elias

A short background.

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

An overview of Cenozoic mammalian evolution.

An overview of the era from the UC Berkeley Museum of Paleontology.