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. A large number of states also have dinosaurs as state fossils, but this list only includes those that have been officially designated as "state dinosaurs". All U.S. states also have a state bird, the direct evolutionary descendants of dinosaurs.[1]

List of dinosaurs for states in the US[edit]

State or Territory Dinosaur Image Date
Arizona Sonorasaurus thompsoni Sonorasaurus thompsoni.jpg 2018[2]
Arkansas Arkansaurus fridayi Arkansaurus NT.jpg 2017[3]
California Augustynolophus morrisi Augustynolophus NT.jpg 2017[4]
Colorado Stegosaurus armatus Stegosaurus BW.jpg 1982-04-28[5]
Connecticut Dilophosaurus sp. Dilophosaurus wetherilli.PNG 07/10/2017[6]
District of Columbia Capitalsaurus Capitalsaurus.jpg 1998[7]
Maryland Astrodon johnstoni Astrodon johnstoni .jpg 1998[8]
Missouri Hypsibema missouriensis Hypsibema missouriensis Size Chart.svg 2004[9]
New Jersey Hadrosaurus foulkii HADROSAURUS.jpg 1991[10]
Oklahoma Acrocanthosaurus atokensis Acrocanthosaurus skeleton (1).jpg 2006
Texas Paluxysaurus jonesi Sauroposeidon dinosaur.svg 2009 (replaced Pleurocoelus which was state dinosaur 1997–2009)[11]
Utah Utahraptor ostrommaysorum Utahraptor updated.png 2018[12]
Wyoming Triceratops horridus Triceratops BW.jpg 1994[13]

See also[edit]


  1. ^ Chiappe, Luis M. (April 16, 2009). "Downsized Dinosaurs: The Evolutionary Transition to Modern Birds". Evolution: Education and Outreach. 2: 248. doi:10.1007/s12052-009-0133-4.
  2. ^ "Sonorasaurus officially named Arizona's state dinosaur". 2018-04-11. Retrieved 2018-04-12.
  3. ^ Chandler, Angela (22 February 2017). "Official State Dinosaur". Encyclopedia of Arkansas. Retrieved 25 September 2017.
  4. ^ Blume, Howard (23 September 2017). "California gets its own official state dinosaur". Los Angeles Times.
  5. ^ "Archives -".
  6. ^ Altimari, Daniela. "Bill Naming State Dinosaur Signed by the Governor". Retrieved 2017-07-20.
  7. ^ "Official Dinosaur Designation Act of 1998, Bill 12-538". Archived from the original on 2006-09-28.
  8. ^ "Astrodon johnstoni, Maryland State Dinosaur".
  9. ^ RSMo 10.095
  10. ^ "NJ Legislation on State Dinosaur".
  11. ^ Texas State Library and Archives Commission. Texas State Symbols. July 1, 2010. Accessed November 25, 2010.
  12. ^ Cathcart, Preston (2018-02-16). "Utahraptor bill sails through House committee". Retrieved 2018-02-17.
  13. ^ "Wyoming Facts and Symbols - State of Wyoming".

External links[edit]