State Fossils

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Last Modified 04/12/2012

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1. Alabama - archaeocete whale, Basilosaurus cetoides, Eocene 

2. Alaska - woolly mammoth, Mammuthus primigenius, Pleistocene 

3. Arkansas - none 

4. Arizona - petrified wood, Araucarioxylon arizonicum, Triassic 

5. California - sabertooth cat, Smilodon fatalis, Pleistocene 

6. Colorado - dinosaur, Stegosaurus stenops, Jurassic 

7. Connecticut - gigantic, three-toed dinosaur track,      Eubrontes giganteus, Triassic 

8. Delaware - belemnite (cephalopod), Belemnite americana,     Cretaceous 

9. Florida - (State Stone - agatized coral) 

10. Georgia - shark's tooth, genus and species unspecified, Tertiary 

11. Hawaii - none 

12. Kansas - none 

13. Idaho - Hagerman Horse Fossil, Equus simplicidens       (originally described as Plesippus shoshonensis), Pliocene 

14. Illinois - Tully Monster, Tullimonstrum gregarium, Carboniferous 

15. Indiana - none 

16. Iowa - none 

17. Kentucky - brachiopod, genus and species unspecified, Paleozoic 

18. Louisiana - petrified palmwood, Palmoxylon sp., Oligocene 

19. Maine - early vascular land plant, Pertica quadrifaria, Devonian 

20. Maryland - gastropod, Ecphora gardnerae gardnerae, Miocene 

21. Massachusetts - dinosaur tracks, genus and species unspecified,        Triassic 

22. Michigan - Mastodon 

23. Minnesota - none

24. Mississippi - archaeocete whale, Zygorhiza kochii, Eocene  (State stone - petrified wood) 

25. Missouri - crinoid, Delocrinus missouriensis, Carboniferous 

26. Montana - duck-billed dinosaur, Maiasaura peeblesorum,        Cretaceous 

27. Nebraska - mammoth, Mammuthus imperator mailbeni, Pleistocene 

28. Nevada - ichthyosaur, Shonisaurus popularis, Triassic 

29. New Hampshire - none 

30. New Jersey - dinosaur (Hadrosaur), Hadrosaurus foulki,        Cretaceous 

31. New Mexico - dinosaur, Coelophysis sp., Triassic 

32. New York -  eurypterid, Eurypterus remipes, Silurian 

33. North Carolina - none 

34. North Dakota - Teredo Petrified Wood, Paleocene 

35. Ohio - trilobite, Isotelus sp., Ordovician 

36. Oklahoma - none 

37. Oregon - Metasequoia (Dawn redwood)

38. Pennsylvania - trilobite, Phacops rana, Devonian 

39. Rhode Island - none 

40. South Carolina - none 

41. South Dakota - dinosaur, Triceratops prorosus, Cretaceous       NOTE: back in 1988 the state fossil was the cycad, Cycadopsida. 

42. Tennessee - Pteratrigonia thoracica, from the Upper Cretaceous Cooon Creek formation.

43. Texas (State Stone) - petrified palmwood, Palmoxylon sp., Oligocene       State Dinosaur - Brachiosaur Sauropod, Pleurocoelus sp., Cretaceous.

 44. Utah - dinosaur, Allosaurus fragilis, Jurassic 

45. Vermont - Charlotte, The Vermont Whale (beluga whale),        Delphinapterus leucas, Pleistocene 

46. Virginia - pelecypod, Chesapecten jeffersonius, Pliocene 

47. Washington - Columbian Mammoth, Mammuthus columbi, Pleistocene       (State Gem - petrified wood, genus and species unspecified, Tertiary) 48. West Virginia (State Gem) - rugose coral, Lithostrotionella sp.,        Mississippian 

49. Wisconsin - trilobite, Calymene celebra, Silurian 

50. Wyoming -        State Fossil - fresh-water herring, Knightia sp., Eocene        State Dinosaur - dinosaur, Triceratops, Cretaceous

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