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List of U.S. state dinosaurs

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". Maiasaura (Montana), Coelophysis (New Mexico), Saurophaganax (Oklahoma), Triceratops (South Dakota), and Allosaurus (Utah) are state fossils.[1] In 1998, the legislature of Arizona was unable to decide on a state dinosaur, or indeed a state fossil. All U.S. states also have a state bird, which are biologically a subset of dinosaurs.


  • Table 1
  • See also 2
  • Notes 3
  • External links 4


State or Territory Dinosaur Image Date
Colorado Stegosaurus armatus 1982-04-28[2]
District of Columbia Capitalsaurus 1998[3]
Maryland Astrodon johnstoni 1998[4]
Missouri Hypsibema missouriensis 2004[5]
Iowa Spinosaurus 2015
Oklahoma Acrocanthosaurus atokensis 2006
Texas Paluxysaurus jonesi 2009 (replaced Pleurocoelus which was state dinosaur 1997–2009)[6]
Wyoming Triceratops 1994[7]

See also


  1. ^ State Fossils, Stately Fossils: A Comprehensive Look at the State Fossils and Other Official Fossils, Stephen Brusatte, Fossil News, September 2002, ISBN 0-9724416-2-X.
  2. ^ Colorado Department of Personnel website - State emblems
  3. ^ Official Dinosaur Designation Act of 1998
  4. ^ Astrodon johnstoni, Maryland state dinosaur
  5. ^ RSMo 10.095
  6. ^ Texas State Library and Archives Commission. Texas State Symbols. July 1, 2010. Accessed November 25, 2010.
  7. ^ State of Wyoming - General Wyoming Information

External links

  • "The sort of official state dinosaur page. Dinosaur Interplanetary Gazette. (note that the list includes both "state dinosaurs" and "state fossils")
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