List of U.S. state fossils explained

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.

Four states (Indiana, Minnesota, New Hampshire, and Rhode Island) lack an explicit state fossil, though Indiana's Salem Limestone is a sedimentary rock that consists of dissolved calcium from both nonbiological and biological sources (such as the accumulation of corals and shells on the seafloor) and also often contains intact fossils.__TOC__

Table of state fossils

State
federal district
or territory
AgeCommon nameBinomial
name
ImageYear adopted
AlabamaEoceneBasilosaurus whaleBasilosaurus cetoides1984[1]
AlaskaPleistoceneWoolly mammothMammuthus primigenius1986
ArizonaTriassicPetrified woodAraucarioxylon arizonicum1988
CaliforniaPleistoceneSaber-toothed catSmilodon fatalis1974
ColoradoJurassicStegosaurusStegosaurus armatus1982
ConnecticutJurassicDinosaur tracksEubrontes giganteus1991
DelawareCretaceousBelemniteBelemnitella americana1996
District of ColumbiaCretaceous"Capitalsaurus"
(state dinosaur)
nomen nudum only1998
FloridaEoceneAgatized coral
(state stone)
Cnidaria, Anthozoa1979
GeorgiaCretaceous -
Miocene
Shark toothundetermined1976[2] --->
IdahoPlioceneHagerman horseEquus simplicidens
IllinoisPennsylvanianTully monsterTullimonstrum gregarium1989--->
IndianaHoloceneAmerican mastodonMammut americanum2022
KansasCretaceousPteranodon
(state flying fossil)[3]
Pteranodon longiceps2014[4]
CretaceousTylosaurus
(state marine fossil)[5]
Tylosaurus kansasensis2014[6]
KentuckyOrdovician -
Pennsylvanian
Brachiopodundetermined1986[7]
LouisianaOligocenePetrified palmwoodPalmoxylon1976[8]
MaineDevonianPertica plantPertica quadrifaria1976
MarylandMioceneEcphora gardnerae
shell
Ecphora gardnerae
gardnerae
1984 (name revised, 1994)[9]
MassachusettsJurassicDinosaur tracksEubrontes giganteus
MichiganHoloceneAmerican mastodonMammut americanum2002
MississippiEocene"Prehistoric whale"Zygorhiza kochii1981
MissouriPennsylvanianSea lilyDelocrinus missouriensis1989
MontanaCretaceousDuck-billed dinosaurMaiasaura peeblesorum
NebraskaPleistoceneWoolly mammoth
Columbian mammoth
Imperial mammoth
Mammuthus primigenius
Mammuthus columbi
Mammuthus imperator
NevadaTriassicIchthyosaur[10] [11] Shonisaurus popularis1977 (designated) 1988 (amended)--->
New MexicoTriassicCoelophysisCoelophysis bauri1981
New YorkSilurianSea scorpionEurypterus remipes1984
North CarolinaMiocene- PlioceneShark toothOtodus megalodon2013[12]
North DakotaPaleoceneShipworm-bored
petrified wood
Teredo petrified wood
OhioOrdovicianTrilobiteIsotelus maximus (Fossil invertebrate)1985
DevonianDunkleosteusDunkleosteus terrelli (Fossil Fish)2021
OklahomaJurassicSaurophaganaxSaurophaganax maximus2000[13]
OregonEoceneDawn redwoodMetasequoia2005
PennsylvaniaDevonianTrilobitePhacops rana1988---> -South CarolinaPleistoceneColumbian mammothMammuthus columbi2014[14]
South DakotaCretaceousTriceratopsTriceratops horridus
TennesseeCretaceousBivalvePterotrigonia thoracica
UtahJurassicAllosaurusAllosaurus fragilis1988[15]
VermontPleistoceneBeluga whale (redesignated as state marine fossil in 2014)Delphinapterus leucas1993[16] [17]
PleistoceneWoolly mammoth
tooth and tusk
(state terrestrial fossil)
Mammuthus primigenius2014[18]
VirginiaCenozoicscallopChesapecten jeffersonius1993
WashingtonPleistoceneColumbian mammothMammuthus columbi1998[19]
West VirginiaLate PleistoceneJefferson's ground slothMegalonyx jeffersonii2008[20]
WisconsinSilurianTrilobiteCalymene celebra1985[21]
WyomingEoceneKnightiaKnightia spp.1987

States lacking a state fossil

See also

External links

Notes and References

  1. Web site: Official State of Alabama Fossil . March 19, 2007 . August 2, 2005 . Alabama Emblems, Symbols and Honors . Alabama Department of Archives & History . December 30, 2007 . https://web.archive.org/web/20071230022941/http://www.archives.state.al.us/emblems/st_fosil.html . dead .
  2. Web site: March 30, 2014 . Georgia State Fossil . dead . March 30, 2014 . State Symbols, State Fossil . e-Reference Desk . March 2, 2012 . https://web.archive.org/web/20120302030035/http://www.e-referencedesk.com/resources/state-fossil/georgia.html .
  3. Web site: State Fossils - Kansapedia - Kansas Historical Society .
  4. Web site: List of State Fossils . September 1, 2015 . State Symbols, State Fossil . Fossilera.
  5. Web site: State Fossils - Kansapedia - Kansas Historical Society .
  6. Web site: List of State Fossils . September 1, 2015 . State Symbols, State Fossil . Fossilera.
  7. Web site: Kentucky State Symbols . Kentucky Department of Libraries and Archives . March 30, 2007 . July 2, 2007 . dead . https://web.archive.org/web/20110128223448/http://kdla.ky.gov/resources/KYSymbols.htm . January 28, 2011.
  8. Web site: Louisiana State Fossil . March 8, 2015 . March 8, 2015 . State Symbols, State Fossil . e-Reference Desk.
  9. Web site: Maryland's Official State Fossil Shell . Maryland Geological Survey. February 16, 2017.
  10. Web site: Nevada State Fossil | Ichthyosaur. May 28, 2014 .
  11. Web site: Nevada State Fossil: Ichthyosaur (Genus Shonisaurus).
  12. Web site: Fossil, Fossilized Teeth of the Megalodon Shark NCpedia. ncpedia.org. March 17, 2016.
  13. Web site: Oklahoma State Fossil Saurophaganax Maximus. January 30, 2021. statesymbolsusa.org. September 6, 2014 .
  14. Web site: South Carolina Fossil . WLTX . May 28, 2014.
  15. http://pioneer.utah.gov/research/utah_symbols/fossil.html Utah State Fossil - Allosaurus
  16. Vermont has both a state terrestrial fossil and a state marine fossil.
  17. Web site: Vermont State Terrestrial Fossil. E Reference Desk. March 17, 2018.
  18. Web site: Mammoth Tusk Discovered 1865. Brattleboro History. March 17, 2018.
  19. http://leg.wa.gov/Symbols/ WA State Symbols
  20. http://www.herald-dispatch.com/homepage/x112312085 Manchins signs bills involving snakes, fossils, research into law
  21. Web site: Wisconsin State Symbols . State of Wisconsin . December 19, 2011 . dead . https://web.archive.org/web/20100112222837/http://www.wisconsin.gov/state/core/wisconsin_state_symbols.html . January 12, 2010.
  22. Web site: Giant Beaver swamps competition to be Minnesota state fossil . September 15, 2022 . MPR News . October 13, 2021 . en.
  23. Web site: January 23, 2018. Iowa to consider recognizing official state fossil. The Seattle Times.
  24. News: Carlson. Brady. January 6, 2015. Granite Geek: Will The Mastodon Become New Hampshire's Official State Fossil?. New Hampshire Public Radio.
  25. Web site: Texas State Symbols . . December 13, 2017.