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January 11, 2022
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Mass extinction in the fossil record
One of the brachiopods -- Floweria chemungensis -- collected as part of this study
Credit: Andrew Bush
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
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Related story: Climate change factors in the fossil record that accelerate mass extinction