Most American states have made a state fossil designation, in many cases during the 1980s. It is common to designate one species in which fossilization has occurred, rather than a single specimen, or a category of fossils not limited to a single species.
Table of state fossils
Candidate or considered fossils
For fossils that were candidates or were considered for states.
States lacking a state fossil
- New Hampshire
- Rhode Island
- List of U.S. state dinosaurs
- List of U.S. state minerals, rocks, and gemstones
- Lists of U.S. state insignia
- "Official State of Alabama Fossil". Alabama Emblems, Symbols and Honors. Alabama Department of Archives & History. August 2, 2005. Retrieved March 19, 2007.
- "Georgia State Fossil". State Symbols, State Fossil. e-Reference Desk. March 30, 2014. Retrieved March 30, 2014.
- Illinois State Symbols, Department of Natural Resources, retrieved May 20, 2019
- "List of State Fossils". State Symbols, State Fossil. Fossilera. Retrieved September 1, 2015.
- "Kentucky State Symbols". Kentucky Department of Libraries and Archives. March 30, 2007. Archived from the original on January 28, 2011. Retrieved July 2, 2007.
- "Louisiana State Fossil". State Symbols, State Fossil. e-Reference Desk. March 8, 2015. Retrieved March 8, 2015.
- "Maryland's Official State Fossil Shell". Maryland Geological Survey. Retrieved February 16, 2017.
- Fossil whale: State Fossil of Mississippi (PDF), Mississippi Department of Environmental Quality, 1991, retrieved May 9, 2019
- "Fossil, Fossilized Teeth of the Megalodon Shark | NCpedia". ncpedia.org. Retrieved March 17, 2016.
- "5.071 State invertebrate fossil", Ohio Revised Code, retrieved February 9, 2021
- "5.078 Official fossil fish of the state", Ohio Revised Code, retrieved February 9, 2021
- "Oklahoma State Fossil | Saurophaganax Maximus". statesymbolsusa.org. Retrieved January 30, 2021.
- "South Carolina Fossil". WLTX. Retrieved May 28, 2014.
- Utah State Fossil - Allosaurus from pioneer.utah.gov "Pioneer - Utah's Online Library" page. Retrieved on September 8, 2008
- Vermont has both a state terrestrial fossil and a state marine fossil.
- "Vermont State Terrestrial Fossil". E Reference Desk. Retrieved March 17, 2018.
- "Mammoth Tusk Discovered 1865". Brattleboro History. Retrieved March 17, 2018.
- http://leg.wa.gov/Symbols/ WA State Symbols
- http://www.herald-dispatch.com/homepage/x112312085 Manchins signs bills involving snakes, fossils, research into law
- "Wisconsin State Symbols". State of Wisconsin. Archived from the original on January 12, 2010. Retrieved December 19, 2011.
- "Indiana State Fossil". 500 Earth Sciences CLub. Retrieved March 10, 2021.
- Polly, D., 2012. Crinoids from Cambrian to Crawfordsville. 500 Earth Sciences Lecture Series.
- "Iowa to consider recognizing official state fossil". The Seattle Times. January 23, 2018.
- "Minnesota State Symbols—Unofficial, Proposed, or Facetious". Minnesota Legislature.
- Carlson, Brady (January 6, 2015). "Granite Geek: Will The Mastodon Become New Hampshire's Official State Fossil?". New Hampshire Public Radio.
-  List of U.S. state fossils, from National Park Service.