List of U.S. state fossils


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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.

Map showing which states have state fossils (in blue; states without fossils are gray.)

Some states that lack an explicit state fossil have nevertheless singled out a fossil for formal designation as a state dinosaur, rock, gem or stone.

Table of state fossils

State
federal district
or territory
Age Common name Binomial
nomenclature
Image Adoption date
Alabama Eocene Basilosaurus whale Basilosaurus cetoides
 
1984[1]
Alaska Pleistocene Woolly mammoth Mammuthus primigenius
 
Arizona Triassic Petrified wood Araucarioxylon arizonicum
 
California Pleistocene Saber-toothed cat Smilodon fatalis
 
Colorado Jurassic Stegosaurus Stegosaurus armatus
 
1982-04-28
Connecticut Jurassic Dinosaur tracks Eubrontes giganteus
 
1991
Delaware Cretaceous Belemnite Belemnitella americana
 
1996-07-02
District of Columbia Cretaceous "Capitalsaurus"
(state dinosaur)
nomen nudum only
 
1998
Florida Eocene Agatized coral
(state stone)
Cnidaria, Anthozoa
 
1979
Georgia Cretaceous
Miocene
Shark tooth undetermined
 
1976[2]
Idaho Pliocene Hagerman horse Equus simplicidens
 
Illinois Pennsylvanian Tully monster Tullimonstrum gregarium
 
1989[3]
Indiana Holocene American mastodon Mammut americanum
 
2022[4]
Kansas Cretaceous Pteranodon
(state flying fossil)[5]
Pteranodon longiceps
 
2014[6]
Cretaceous Tylosaurus
(state marine fossil)[7]
Tylosaurus kansasensis
 
2014[8]
Kentucky Ordovician
Pennsylvanian
Brachiopod undetermined
 
1986[9]
Louisiana Oligocene Petrified palmwood Palmoxylon
 
1976[10]
Maine Devonian Pertica plant Pertica quadrifaria
 
1976
Maryland Miocene Ecphora gardnerae
shell
Ecphora gardnerae
gardnerae
 
1984 (name revised, 1994)[11]
Massachusetts Jurassic Dinosaur tracks Eubrontes giganteus
 
Michigan Holocene American mastodon Mammut americanum
 
2002
Mississippi Eocene "Prehistoric whale" Zygorhiza kochii
 
1981[12]
Missouri Pennsylvanian Sea lily Delocrinus missouriensis 1989
Montana Cretaceous Duck-billed dinosaur Maiasaura peeblesorum
 
Nebraska Pleistocene Woolly mammoth
Columbian mammoth
Imperial mammoth
Mammuthus primigenius
Mammuthus columbi
Mammuthus imperator
 
Nevada Triassic Ichthyosaur[13][14] Shonisaurus popularis
 
1977 (designated) 1988 (amended)
New Jersey Cretaceous Duck-billed dinosaur Hadrosaurus foulkii
 
Hadrosaurus reconstruction
New Mexico Triassic Coelophysis Coelophysis bauri
 
1981
New York Silurian Sea scorpion Eurypterus remipes
 
1984
North Carolina Miocene- Pliocene Shark tooth Otodus megalodon
 
Otodus megalodon tooth
2013[15]
North Dakota Paleocene Shipworm-bored
petrified wood
Teredo petrified wood
Ohio Ordovician Trilobite Isotelus maximus (Fossil invertebrate)
 
1985[16]
Devonian Dunkleosteus Dunkleosteus terrelli (Fossil Fish)
 
2021[17]
Oklahoma Jurassic Saurophaganax Saurophaganax maximus
 
2000[18]
Oregon Eocene Dawn redwood Metasequoia
 
2005
Pennsylvania Devonian Trilobite Phacops rana
 
1988[19]
South Carolina Pleistocene Columbian mammoth Mammuthus columbi
 
2014[20]
South Dakota Cretaceous Triceratops Triceratops horridus
 
Tennessee Cretaceous Bivalve Pterotrigonia thoracica
 
Utah Jurassic Allosaurus Allosaurus fragilis
 
1988[21]
Early Cretaceous Utahraptor (state dinosaur) Utahraptor ostrommaysorum
 
2018
Vermont Pleistocene Beluga whale (redesignated as state marine fossil in 2014) Delphinapterus leucas
 
1993[22][23]
Pleistocene Woolly mammoth
tooth and tusk
(state terrestrial fossil)
Mammuthus primigenius
 
2014[23][24]
Virginia Cenozoic scallop Chesapecten jeffersonius
 
1993
Washington Pleistocene Columbian mammoth Mammuthus columbi
 
1998[25]
West Virginia Late Pleistocene Jefferson's ground sloth Megalonyx jeffersonii
 
2008[26]
Wisconsin Silurian Trilobite Calymene celebra
 
1985[27]
Wyoming Eocene Knightia Knightia spp.
 
February 18, 1987

States lacking a state fossil

See also

References

  1. ^ "Official State of Alabama Fossil". Alabama Emblems, Symbols and Honors. Alabama Department of Archives & History. August 2, 2005. Retrieved March 19, 2007.
  2. ^ "Georgia State Fossil". State Symbols, State Fossil. e-Reference Desk. March 30, 2014. Retrieved March 30, 2014.
  3. ^ Illinois State Symbols, Department of Natural Resources, retrieved May 20, 2019
  4. ^ Indiana lawmakers name mastodon as first state fossil, WHAS-TV, February 19, 2022, retrieved February 21, 2022
  5. ^ "State Fossils - Kansapedia - Kansas Historical Society".
  6. ^ "List of State Fossils". State Symbols, State Fossil. Fossilera. Retrieved September 1, 2015.
  7. ^ "State Fossils - Kansapedia - Kansas Historical Society".
  8. ^ "List of State Fossils". State Symbols, State Fossil. Fossilera. Retrieved September 1, 2015.
  9. ^ "Kentucky State Symbols". Kentucky Department of Libraries and Archives. March 30, 2007. Archived from the original on January 28, 2011. Retrieved July 2, 2007.
  10. ^ "Louisiana State Fossil". State Symbols, State Fossil. e-Reference Desk. March 8, 2015. Retrieved March 8, 2015.
  11. ^ "Maryland's Official State Fossil Shell". Maryland Geological Survey. Retrieved February 16, 2017.
  12. ^ Fossil whale: State Fossil of Mississippi (PDF), Mississippi Department of Environmental Quality, 1991, retrieved May 9, 2019
  13. ^ "Nevada State Fossil | Ichthyosaur".
  14. ^ "Nevada State Fossil: Ichthyosaur (Genus Shonisaurus)".
  15. ^ "Fossil, Fossilized Teeth of the Megalodon Shark | NCpedia". ncpedia.org. Retrieved March 17, 2016.
  16. ^ "5.071 State invertebrate fossil", Ohio Revised Code, retrieved February 9, 2021{{citation}}: CS1 maint: url-status (link)
  17. ^ "5.078 Official fossil fish of the state", Ohio Revised Code, retrieved February 9, 2021{{citation}}: CS1 maint: url-status (link)
  18. ^ "Oklahoma State Fossil | Saurophaganax Maximus". statesymbolsusa.org. Retrieved January 30, 2021.
  19. ^ Official State Fossil – Phaecops rana (PDF), Pennsylvania Legislature, December 5, 1988, retrieved September 28, 2021
  20. ^ "South Carolina Fossil". WLTX. Retrieved May 28, 2014.
  21. ^ Utah State Fossil - Allosaurus from pioneer.utah.gov "Pioneer - Utah's Online Library" page. Retrieved on September 8, 2008
  22. ^ Vermont has both a state terrestrial fossil and a state marine fossil.
  23. ^ a b "Vermont State Terrestrial Fossil". E Reference Desk. Retrieved March 17, 2018.
  24. ^ "Mammoth Tusk Discovered 1865". Brattleboro History. Retrieved March 17, 2018.
  25. ^ http://leg.wa.gov/Symbols/ WA State Symbols
  26. ^ http://www.herald-dispatch.com/homepage/x112312085 Manchins signs bills involving snakes, fossils, research into law
  27. ^ "Wisconsin State Symbols". State of Wisconsin. Archived from the original on January 12, 2010. Retrieved December 19, 2011.
  28. ^ "Giant Beaver swamps competition to be Minnesota state fossil". MPR News. Retrieved September 15, 2022.
  29. ^ "Iowa to consider recognizing official state fossil". The Seattle Times. January 23, 2018.{{cite web}}: CS1 maint: url-status (link)
  30. ^ Carlson, Brady (January 6, 2015). "Granite Geek: Will The Mastodon Become New Hampshire's Official State Fossil?". New Hampshire Public Radio.{{cite news}}: CS1 maint: url-status (link)
  • [1] List of U.S. state fossils, from National Park Service.