| STATE |
FOSSIL |
DESCRIPTION |
| ALABAMA |
Basilosaurus cetoides |
Archaeocete whale; Eocene |
| ALASKA |
Mammuthus primigenius |
Wooly Mammoth; Pleistocene |
| ARIZONA |
Araucarioxylon arizonicum |
Petrified Wood; Triassic. Remains found in Petrified Forest National Park |
| ARKANSAS |
NONE |
|
| CALIFORNIA |
Smilodon fatalis |
Saber Tooth Cat; Pleistocene. Remains found in Rancho LaBrea Tarpits, Los Angeles. |
| COLORADO |
Stegosaurus stenops |
Herbivorous Dinosaur; Jurassic. Remains found in Colorado's Morrison Formation. |
| CONNECTICUT |
Eubrontes giganteus |
Dinosaur Tracks; Triassic. Found at Dinosaur State Park in Rocky Hill. |
| DELAWARE |
Belemnite americana |
Belemnite; Cretaceous. Cephalopod |
| FLORIDA |
Eupatagus antilolarum |
Sea Urchin; Eocene. Also known as Agatized coral. |
| GEORGIA |
Carcharadon megalodon |
Shark; Tertiary. Remains found washed up on Georgia beaches |
| HAWAII |
NONE |
|
| IDAHO |
Equus simplicidens |
Horse; Pliocene. Also known as "Hagerman's Horse Fossil". |
| ILLINOIS |
Tullimonstrum gregarium |
Wormlike Animal; Carboniferous (Pennsylvanian). Also known as "Tully Monster". |
| INDIANA |
NONE |
|
| IOWA |
NONE |
|
| KANSAS |
NONE |
|
| KENTUCKY |
Brachiopod |
Genus/Species Unspecified; Ordovician (Paleozoic) |
| LOUISIANA |
Palmoxylon sp. |
Petrified Palmwood; Oligocene |
| MAINE |
Pertica quadrifaria |
Early Vascular Land Plant; Devonian |
| MARYLAND |
Ecphora gardnerae gardnerae and Astrodon johnstoni |
Gastropod; Miocene; Astrodon, Suaropod dinosaur; Cretaceous |
| MASSACHUSETTS |
Dinosaur Tracks |
Genus/Specis unspecified; Triassic. |
| MICHIGAN |
NONE |
State Stone is the Hexagonaria percarinata. Coral; Devonian. Also known as Petoskey Stone. |
| MINNESOTA |
NONE |
Casturoides ohioensis, a giant beaver, has been proposed |
| MISSISSIPPI |
Zygorhiza kochii |
Archaeocete whale; Eocene |
| MISSOURI |
Delocrinus missouriensis |
Crinoid; Carboniferous |
| MONTANA |
Maiasuara peeblesorum |
Herbivorous duckbilled dinosaur; Cretaceous |
| NEBRASKA |
Mammuthus imperator mailbeni |
Mammoth; Pleistocene |
| NEVADA |
Shonisaurus popularis |
Ichthyosaur; Triassic |
| NEW HAMPSHIRE |
NONE |
|
| NEW JERSEY |
Hadrosaurus foulki |
Herbivorous duckbilled dinosaur; Cretaceous. First Dinosaur skeleton found in the United States. |
| NEW MEXICO |
Coelophysis bauri |
Predatory dinosaur; Triassic. Remains found at Ghost Ranch, NM |
| NEW YORK |
Eurypterus remipes |
Eurypterid; Silurian. Giant sea scorpion |
| NORTH CAROLINA |
NONE |
|
| NORTH DAKOTA |
Teredo Petrified Wood |
Petrified Wood; Paleocene |
| OHIO |
Isotelus sp. |
Trilobite; Ordovician |
| OKLAHOMA |
NONE |
|
| OREGON |
NONE |
|
| PENNSYLVANIA |
Phacops rana |
Trilobite; Devonian |
| RHODE ISLAND |
NONE |
|
| SOUTH CAROLINA |
NONE |
|
| SOUTH DAKOTA |
Triceratops prorosus |
Herbivorous dinorsaur; Cretaceous |
| TENNESSEE |
Pterotrigonia thoracica |
Gastropod; Cretaceous. Found at Coon Creek. |
| TEXAS |
Pleurocoelus sp . |
Sauropod dinosaur; Cretaceous |
| UTAH |
Allosaurus gragilis |
Predatory dinosaur; Jurassic. Remains common in Utah. |
| VERMONT |
Delphinapterus leucas |
Beluga Whale; Pleistocene |
| VIRGINIA |
Chesapecten jeffersonius |
Pelecypod; Pliocene. Named for Thomas Jefferson. Many specimens were uncovered due to the rains and winds of Hurricane Floyd. |
| WASHINGTON |
Mammuthus columbi |
Columbian Mammoth; Pleistocene |
| WEST VIRGINIA |
NONE |
State gem is listed as Lithostrotionella sp. Rugose coral; Mississippian |
| WISCONSIN |
Calymene celebra |
Trilobite; Silurian |
| WYOMING |
Knightia sp. and Triceratops |
Fish (Fresh Water Herring); Eocene. Found in the Green River outcrops. Triceratops, Herbivorous dinosaur; Cretaceous |
