List of U.S. state dinosaurs

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This is a list of U.S. state dinosaurs in the United States, including the District of Columbia. Many states also have dinosaurs as state fossils, but this list only includes those that have been officially designated as "state dinosaurs".

List of dinosaurs for states in the US[edit]

State or Territory Dinosaur Image Date
Arizona Sonorasaurus thompsoni
Sonorasaurus thompsoni.jpg
Arkansas Arkansaurus fridayi
Arkansaurus NT.jpg
California Augustynolophus morrisi
Augustynolophus NT.jpg
Colorado Stegosaurus armatus
Stegosaurus BW.jpg
Connecticut Dilophosaurus sp.
Dilophosaurus wetherilli.PNG
District of Columbia Capitalsaurus
Massachusetts Podokesaurus holyokensis
Podokesaurus restoration.jpg
Maryland Astrodon johnstoni
Astrodon johnstoni.jpg
Missouri Parrosaurus missouriensis
Hypsibema missouriensis Size Chart.svg
New Jersey Hadrosaurus foulkii
Oklahoma Acrocanthosaurus atokensis
Acrocanthosaurus skeleton (1).jpg
Texas Sauropoiseidon proteles (originally Paluxysaurus jonesi)
Sauroposeidon dinosaur.svg
2009 (replaced Pleurocoelus which was state dinosaur 1997–2009)[13]
Utah Utahraptor ostrommaysorum
Utahraptor updated.png
Wyoming Triceratops horridus
Triceratops BW.jpg

List of candidate dinosaurs[edit]

This is for dinosaurs that were or are candidates for state dinosaur but either were not designated or have yet to officially be.

State Dinosaur Image Year Result
Arizona Dilophosaurus wetherilli
Dilophosaurus wetherilli cropped.jpg
1998[16][17] Vetoed when it was revealed fossils were illegally taken from Navajo Nation[18]
Massachusetts Anchisaurus polyzelus
Anchisaurus NT.jpg
2021[19] Lost to Podokesaurus in a poll taken prior to bill[7]
Washington "Suciasaurus rex"
Proximal femur of a large theropod dinosaur from Washington State.png
2019 and 2021[20][21] The proposal to make the Suciasaurus the state dinosaur of Washington was overturned as it was deemed to be a bill of too low importance during the Covid-19 pandemic in the United States[22]

See also[edit]


  1. ^ "Sonorasaurus officially named Arizona's state dinosaur". 2018-04-11. Retrieved 2018-04-12.
  2. ^ Chandler, Angela (22 February 2017). "Official State Dinosaur". Encyclopedia of Arkansas. Retrieved 25 September 2017.
  3. ^ Blume, Howard (23 September 2017). "California gets its own official state dinosaur". Los Angeles Times.
  4. ^ "Archives -".
  5. ^ Altimari, Daniela. "Bill Naming State Dinosaur Signed by the Governor". Retrieved 2017-07-20.
  6. ^ "Official Dinosaur Designation Act of 1998, Bill 12-538". Archived from the original on 2006-09-28.
  7. ^ a b Morrison, Heather (February 4, 2021). "Massachusetts State Dinosaur: Podokesaurus holyokensis wins fan vote, lawmaker files legislation to officially declare state dinosaur". Masslive.
  8. ^ Lewis, Jack Patrick (February 4, 2021). "MA HOUSE DOCKET, NO. 1392 FILED ON: 2/4/2021". The 192nd General Court of the Commonwealth of Massachusetts. Retrieved February 12, 2021.
  9. ^ "Astrodon johnstoni, Maryland State Dinosaur". Archived from the original on 2006-01-04. Retrieved 2007-09-03.
  10. ^ "RSMo 10.095". Archived from the original on 2013-10-30. Retrieved 2011-01-04.
  11. ^ "NJ Legislation on State Dinosaur".
  12. ^ "§ 25-98.14. State dinosaur". eLaws. Retrieved 12 July 2021.
  13. ^ Texas State Library and Archives Commission. Texas State Symbols. July 1, 2010. Accessed November 25, 2010
  14. ^ Utah Code Part 6, 63G-1-601 State symbols (PDF), retrieved 2021-08-09
  15. ^ "Wyoming Facts and Symbols - State of Wyoming".
  16. ^ Moeser, C. (April 26, 1998). "Arizona dinosaur debate becomes real Godzilla". The Arizona Republic. Deseret News. Retrieved May 12, 2020.
  17. ^ Gebers, S. (February 19, 2018). "Arizona has no official state dinosaur, so an 11 year-old proposed one – the Sonorasaurus". The Republic. Retrieved February 20, 2018 – via AZ Central.
  18. ^ "Dilophosaurus Discovered". Retrieved 2021-02-12.
  19. ^ Smith, Meghan (January 6, 2021). "Mass. Will Soon Have An Official State Dinosaur — And A Lesson In The Legislative Process". GBH.
  20. ^ Gebers, S. (February 19, 2018). "Arizona has no official state dinosaur, so an 11 year-old proposed one – the Sonorasaurus". The Republic. Retrieved February 20, 2018 – via AZ Central.
  21. ^ Rantz, Jason (January 13, 2021). "Renewed push to designate Suciasaurus rex the WA state dinosaur". KTTH AM 770.
  22. ^ Cornfield, Jerry (March 10, 2021). "Working families win; state is No. 1; dinosaur bill dies". HeraldNet.

External links[edit]