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K–T extinction: References & Edit History
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Assorted References
- Cretaceous Period
- mass extinctions
- planetary defense
- tsunami
Article Contributors
Primary Contributors
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Add new Web site: University of Maryland - Department of Geology - The Cretaceous-Paleogene Extinction: All Good Things... | Dec 13, 2024 | ||
| Add new Web site: Indian Academy of Sciences - Cretaceous - Tertiary Mass Extinction. | May 29, 2024 | ||
| Add new Web site: PNAS - Asteroid impact, not volcanism, caused the end-Cretaceous dinosaur extinction. | Mar 07, 2024 | ||
| Add new Web site: University of Washington - Cretaceous-Tertiary Boundary. | Nov 15, 2023 | ||
| Links added. | Oct 09, 2023 | ||
| Links added. | Aug 03, 2023 | ||
| Link added. | Jun 01, 2023 | ||
| Add new Web site: Academia - K-T Extinction Analysis. | May 20, 2023 | ||
| Add new Web site: National Center for Biotechnology Information - Cretaceous-Tertiary (K/T) Mass Extinction: Effect of Global Change on Calcareous Microplankton. | Sep 05, 2022 | ||
| Added a photograph of ammonoids. | May 21, 2020 | ||
| Article revised and updated. | May 21, 2020 | ||
| Media added. | Apr 03, 2017 | ||
| Language describing the relationship of dinosaurs, crocodiles, and birds to archosaurs clarified. | May 17, 2016 | ||
| Added video. | Jan 13, 2015 | ||
| Add new Web site: Enchanted Learning - The K-T Extinction. | Jun 26, 2013 | ||
| Add new Web site: British Broadcasting Corporation - Cretaceous-Tertiary Mass Extinction. | Jun 26, 2013 | ||
| Text added mentioning that a comet could have brought about the extinction event at the end of the Cretaceous Period. | May 15, 2013 | ||
| Added satellite image of the Chicxulub impact crater on the Yucatán peninsula. | Mar 07, 2012 | ||
| Added a video about the extinction of dinosaurs 65.5 million years ago. | Jan 26, 2012 | ||
| Add new Web site: University of California Museum of Paleontology - The KT Extinction. | Jul 21, 2011 | ||
| Add new Web site: Buzzle.com - Dinosaurs Extinction: Asteroid the Cause. | Jul 21, 2011 | ||
| Geologic time data updated. | Aug 31, 2010 | ||
| Text added noting the Boltysh impact site and the possibility that the K-T extinction resulted from multiple bolide impacts. | Aug 31, 2010 | ||
| New article added. | Apr 14, 2009 |
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