See also:

• Science: Earth Sciences: Paleontology: By Geological Interval: Cenozoic  (5)
• Science: Earth Sciences: Paleontology: Regional: North America: United States: Wyoming  (3)

• 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.
• Fossil Butte National Monument - This 50-million year old lake bed is one of the richest fossil localities in the world.
• Green River Formation - From the U.C. Museum of Paleontology