List of U.S. state fossils

Last updated
Map showing which states have state fossils (in blue; states without fossils are gray.) Statefossil 2016-02-02.png
Map showing which states have state fossils (in blue; states without fossils are gray.)

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.

Contents

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
ImageAdoption date
Alabama Eocene Basilosaurus whale Basilosaurus cetoides Basilosaurus cetoides.jpg 1984 [1]
Alaska Pleistocene Woolly mammoth Mammuthus primigenius Mammoth mg 2791.jpg
Arizona Triassic Petrified wood Araucarioxylon arizonicum ArizonaPetrifiedWood.jpg
California Pleistocene Saber-toothed cat Smilodon fatalis Smilodon fatalis, Pengo.jpg
Colorado Jurassic Stegosaurus Stegosaurus armatus Stegosaurus Struct.jpg 1982-04-28
Connecticut Jurassic Dinosaur tracks Eubrontes giganteus Dinosaur State Park (Rocky Hill, CT) - close-up.JPG 1991
Delaware Cretaceous Belemnite Belemnitella americana BelemniteDB2.jpg 1996-07-02
District of Columbia Cretaceous "Capitalsaurus"
(state dinosaur)
nomen nudum only Capitalsaurus.jpg 1998
Florida Eocene Agatized coral
(state stone)
Cnidaria, Anthozoa 1979
Georgia Cretaceous
Miocene
Shark tooth undetermined Shark teeth in stone.jpg 1976 [2]
Idaho Pliocene Hagerman horse Equus simplicidens Equus simplicidens mounted 02.jpg
Illinois Pennsylvanian Tully monster Tullimonstrum gregarium Tullimonstrum.jpg 1989 [3]
Kansas Cretaceous Pteranodon and Tylosaurus Pteranodon longiceps and T. kansasensis Pteranodon amnh martyniuk.jpg JVBA Mosasaur 6-09-2010.jpg 2014 [4]
Kentucky Ordovician
Pennsylvanian
Brachiopod undetermined Cincinnetina meeki (Miller, 1875) slab 3.jpg 1986 [5]
Louisiana Oligocene Petrified palmwood Palmoxylon Petrified-Forest-Chemnitz4.JPG 1976 [6]
Maine Devonian Pertica plant Pertica quadrifaria Pertica quadrifaria reconstruccion.jpg 1976
Maryland Miocene Rock Ecphora gardnerae
gardnerae
Ecphora gardnerae.jpg 1984 (name revised, 1994) [7]
Massachusetts Jurassic Dinosaur tracks Eubrontes giganteus Dinosaur State Park (Rocky Hill, CT) - close-up.JPG
Michigan Holocene American mastodon Mammut americanum Mammut americanum ROM - American Mastodon.jpg 2002
Mississippi Eocene Basilosaurus
and Zygorhiza
whales
Basilosaurus cetoides
Zygorhiza kochii
Basilosaurus cetoides.jpg 1981 [8]
Missouri Pennsylvanian Sea lily Delocrinus missouriensis Agaricocrinus americanus Carboniferous Indiana.jpg 1989
Montana Cretaceous Duck-billed dinosaur Maiasaura peeblesorum Maiasaura BW.jpg
Nebraska Pleistocene Woolly mammoth
Columbian mammoth
Imperial mammoth
Mammuthus primigenius
Mammuthus columbi
Mammuthus imperator
Mammoth mg 2791.jpg
Nevada Triassic Ichthyosaur [9] [10] Shonisaurus popularis Shonisaurus BW 2.jpg
New Jersey Cretaceous Duck-billed dinosaur Hadrosaurus foulkii Knight hadrosaurs.jpg
New Mexico Triassic Coelophysis Coelophysis bauri Coelophysis mount NHM2.jpg
New York Silurian Sea scorpion Eurypterus remipes Eurypterus remipes 001.jpg 1984
North Carolina Miocene- Pliocene Shark tooth Carcharodon/Carcharocles megalodon
Carcharocles megalodon tooth.JPG
2013 [11]
North Dakota Paleocene Shipworm-bored
petrified wood
Teredo petrified wood
Ohio Ordovician Trilobite Isotelus maximus Isotelus brachycephalus.JPG 1985
Oklahoma Jurassic Saurophaganax Saurophaganax maximus Saurophaganax.JPG
Oregon Eocene Dawn redwood Metasequoia
glyptostroboides
2005
Pennsylvania Devonian Trilobite Phacops rana Phacops rana.jpg 1988
South Carolina Pleistocene Columbian mammoth Mammuthus columbi Mammuthus columbi.jpg 2014 [12]
South Dakota Cretaceous Triceratops Triceratops horridus Triceratops2.png
Tennessee Cretaceous Bivalve Pterotrigonia thoracica
Texas Cretaceous Paluxysaurus Sauroposeidon
Utah Jurassic Allosaurus Allosaurus fragilis ( Utahraptor ostrommaysorum is the state dinosaur of Utah as of 2018) Allosaurus skull SDNHM.jpg 1988 [13]
Vermont Pleistocene Beluga whale (redesignated as state marine fossil in 2014) Delphinapterus leucas Belugawhale MMC.jpg 1993 [14] [15]
Vermont Pleistocene Woolly mammoth (state terrestrial fossil) Mammuthus primigenius Mammoth mg 2791.jpg 2014 [15] [16]
Virginia Caenozoic scallop Chesapecten jeffersonius Chesapecten Jeffersonius Inside.jpg 1993
Washington Pleistocene Columbian mammoth Mammuthus columbi ColumbianMammoth CollegeOfEasternUtah.jpg 1998 [17]
West Virginia Late Pleistocene Jefferson's ground sloth Megalonyx jeffersonii MegatheriumSqueletteCuvier1812.jpg 2008 [18]
Wisconsin Ordovician
Silurian
Trilobite Calymene celebra Calymene celebra.png 1985 [19]
Wyoming Eocene Knightia Knightia spp." Knightia alta 01.jpg February 18, 1987

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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. "List of State Fossils". State Symbols, State Fossil. Fossilera. Retrieved September 1, 2015.
  5. "Kentucky State Symbols". Kentucky Department of Libraries and Archives. March 30, 2007. Archived from the original on January 28, 2011. Retrieved July 2, 2007.
  6. "Louisiana State Fossil". State Symbols, State Fossil. e-Reference Desk. March 8, 2015. Retrieved March 8, 2015.
  7. "Maryland's Official State Fossil Shell". Maryland Geological Survey. Retrieved February 16, 2017.
  8. Fossil whale: State Fossil of Mississippi (PDF) (Pamphlet 3), Mississippi Department of Environmental Quality, 1991, retrieved May 9, 2019
  9. https://statesymbolsusa.org/symbol-official-item/nevada/state-dinosaur-fossil/ichthyosaur
  10. http://www.ereferencedesk.com/resources/state-fossil/nevada.html
  11. "Fossil, Fossilized Teeth of the Megalodon Shark | NCpedia". ncpedia.org. Retrieved March 17, 2016.
  12. "South Carolina Fossil". WLTX. Retrieved May 28, 2014.
  13. Utah State Fossil - Allosaurus from pioneer.utah.gov "Pioneer - Utah's Online Library" page. Retrieved on September 8, 2008
  14. Vermont has both a state terrestrial fossil and a state marine fossil.
  15. 1 2 "Vermont State Terrestrial Fossil". E Reference Desk. Retrieved March 17, 2018.
  16. "Mammoth Tusk Discovered 1865". Brattleboro History. Retrieved March 17, 2018.
  17. http://leg.wa.gov/Symbols/ WA State Symbols
  18. http://www.herald-dispatch.com/homepage/x112312085 Manchins signs bills involving snakes, fossils, research into law
  19. "Wisconsin State Symbols". State of Wisconsin. Archived from the original on January 12, 2010. Retrieved December 19, 2011.