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Contact: Kristin Elise Phillips
kphillips@amnh.org
212-496-3419
American Museum of Natural History

Ammonites

Caption: These are fossils of ammonites, including Baculites (the long straight-shell pictured vertically), from Upper Cretaceous deposits in South Dakota.

Credit: S. Thurston

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Related news release: Ammonites dined on plankton


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