List of U.S. state fossils

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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.

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[edit]

StateAgeCommon nameBinomial
nomenclature
ImageAdoption date
AlabamaEoceneBasilosaurus whaleBasilosaurus cetoidesBasilosaurus cetoides.jpg1984[1]
AlaskaPleistoceneWoolly MammothMammuthus primigeniusMammoth mg 2791.jpg
ArizonaTriassicpetrified woodAraucarioxylon arizonicumArizonaPetrifiedWood.jpg
CaliforniaPleistoceneSaber-toothed catSmilodon fatalisSmilodon fatalis, Pengo.jpg
ColoradoJurassicStegosaurusStegosaurus armatusStegosaurus Struct.jpg1982
ConnecticutJurassicdinosaur tracksEubrontes giganteusDinosaur State Park (Rocky Hill, CT) - close-up.JPG
DelawareCretaceousBelemniteBelemnitella americanaBelemniteDB2.jpg
District of ColumbiaCretaceous"Capitalsaurus"
(state dinosaur)
nomen nudum only
FloridaEoceneagatized coral
(state stone)
Cnidaria, Anthozoa
GeorgiaCretaceous
Miocene
shark toothundeterminedShark teeth in stone.jpg
IdahoPlioceneHagerman horseEquus simplicidensEquus simplicidens mounted 02.jpg
IllinoisPennsylvanianTully MonsterTullimonstrum gregariumTullimonstrum.jpg
KentuckyOrdovician
Pennsylvanian
brachiopodundeterminedOnniella.jpg1986[2]
LouisianaOligocenepetrified palmwoodPalmoxylonPetrified-Forest-Chemnitz4.JPG
MaineDevonianPertica plantPertica quadrifaria
MarylandMiocenemurex snail / gastropodEcphora gardnerae
gardnerae
MassachusettsJurassicdinosaur tracksEubrontes GiganteusDinosaur State Park (Rocky Hill, CT) - close-up.JPG
MichiganHoloceneAmerican mastodonMammut americanumMammut americanum ROM - American Mastodon.jpg2002
MississippiEoceneBasilosaurus
and Zygorhiza
whales
Basilosaurus cetoides
Zygorhiza kochii
MissouriPennsylvanianSea lilyDelocrinus missouriensisAgaricocrinus americanus Carboniferous Indiana.jpg1989
MontanaCretaceousDuck-billed dinosaurMaiasaura peeblesorumMaiasaura BW.jpg
NebraskaPleistoceneWoolly Mammoth
Columbian Mammoth
Imperial Mammoth
Mammuthus primigenius
Mammuthus columbi
Mammuthus imperator
NevadaTriassicShonisaurusShonisaurus popularisShonisaurus BW 2.jpg
New JerseyCretaceousduck-billed dinosaurHadrosaurus foulkiiKnight hadrosaurs.jpg
New MexicoTriassicCoelophysisCoelophysis bauriCoelophysis mount NHM2.jpg
New YorkSiluriansea scorpionEurypterus remipesEurypterus remipes 001.jpg1984
North DakotaPaleoceneshipworm-bored
petrified wood
Teredo petrified wood
OhioOrdoviciantrilobiteIsotelus maximusIsotelus brachycephalus.JPG1985
OklahomaJurassicSaurophaganaxSaurophaganax maximusSaurophaganax.JPG
OregonEoceneDawn redwoodMetasequoia
glyptostroboides
Metasequoia branchlet 03.jpg2005
PennsylvaniaDevoniantrilobitePhacops ranaPhacops rana.jpg1988
South DakotaCretaceousTriceratopsTriceratops horridusTriceratops2.png
TennesseeCretaceousbivalvePterotrigonia thoracica
TexasCretaceousPleurocoelus
(state dinosaur 1997 - 2009)
Pleurocoelus nanus
UtahJurassicAllosaurusAllosaurus fragilisAllosaurus skull SDNHM.jpg1988[3]
VermontPleistoceneBeluga whaleDelphinapterus leucasBelugawhale MMC.jpg1993
VirginiaCaenozoicscallopChesapecten jeffersoniusChesapecten Jeffersonius Inside.jpg1993
WashingtonPleistoceneColumbian MammothMammuthus columbiColumbianMammoth CollegeOfEasternUtah.jpg1998[4]
West VirginiaLate PleistoceneJefferson's ground slothMegalonyx jeffersoniiMegatheriumSqueletteCuvier1812.jpg2008[5]
WisconsinOrdovician
Silurian
TrilobiteCalymene celebraCalymene celebra.png1985[6]
WyomingEoceneKnightiaKnightiaKnightia alta 01.jpg18 February 1987

See also[edit]

References[edit]

  1. ^ "Official State of Alabama Fossil". Alabama Emblems, Symbols and Honors. Alabama Department of Archives & History. 2005-08-02. Retrieved 2007-03-19. 
  2. ^ "Kentucky State Symbols". Kentucky Department of Libraries and Archives. 2007-03-30. Retrieved 2007-07-02. 
  3. ^ Utah State Fossil - Allosaurus from pioneer.utah.gov "Pioneer - Utah's Online Library" page. Retrieved on 2008-09-08
  4. ^ http://www1.leg.wa.gov/Legislature/StateSymbols/ WA State Symbols
  5. ^ http://www.herald-dispatch.com/homepage/x112312085 Manchins signs bills involving snakes, fossils, research into law
  6. ^ "Wisconsin State Symbols". State of Wisconsin. Retrieved 2011-12-19. 

External links[edit]