This is a table that lists the official state fossils for each U.S. state. The table includes the common name and scientific name (binomial nomenclature) of each fossil, as well as the date on which it was adopted as the state fossil.
S.No.,State federal district or territory,Common name,Binomial nomenclature,Age,Adoption date1,Alabama,Basilosaurus whale,Basilosaurus cetoides,Eocene,19842,Alaska,Woolly mammoth,Mammuthus primigenius,Pleistocene,3,Arizona,Petrified wood,Araucarioxylon arizonicum,Triassic,4,California,Saber-toothed cat,Smilodon fatalis,Pleistocene,5,Colorado,Stegosaurus,Stegosaurus armatus,Jurassic,1982-04-286,Connecticut,Dinosaur tracks,Eubrontes giganteus,Jurassic,19917,Delaware,Belemnite,Belemnitella americana,Cretaceous,1996-07-028,District of Columbia,"""Capitalsaurus""(state dinosaur)",nomen nudum only,Cretaceous,19989,Florida,"Agatized coral(state stone)","Cnidaria, Anthozoa",Eocene,197910,Georgia,Shark tooth,undetermined,"CretaceousMiocene",197611,Idaho,Hagerman horse,Equus simplicidens,Pliocene,12,Illinois,Tully monster,Tullimonstrum gregarium,Pennsylvanian,198913,Indiana,American mastodon,Mammut americanum,Holocene,202214,Kansas,"Pteranodon(state flying fossil)",Pteranodon longiceps,Cretaceous,201415,Kansas,"Tylosaurus(state marine fossil)",Tylosaurus kansasensis,Cretaceous,201416,Kentucky,Brachiopod,undetermined,"OrdovicianPennsylvanian",198617,Louisiana,Petrified palmwood,Palmoxylon,Oligocene,197618,Maine,Pertica plant,Pertica quadrifaria,Devonian,197619,Maryland,"Ecphora gardneraeshell","Ecphora gardneraegardnerae",Miocene,"1984 (name revised, 1994)"20,Massachusetts,Dinosaur tracks,Eubrontes giganteus,Jurassic,21,Michigan,American mastodon,Mammut americanum,Holocene,200222,Mississippi,"""Prehistoric whale""",Zygorhiza kochii,Eocene,198123,Missouri,Sea lily,Delocrinus missouriensis,Pennsylvanian,198924,Montana,Duck-billed dinosaur,Maiasaura peeblesorum,Cretaceous,25,Nebraska,"Woolly mammothColumbian mammothImperial mammoth","Mammuthus primigeniusMammuthus columbiMammuthus imperator",Pleistocene,26,Nevada,Ichthyosaur,Shonisaurus popularis,Triassic,1977 (designated) 1988 (amended)27,New Jersey,Duck-billed dinosaur,Hadrosaurus foulkii,Cretaceous,28,New Mexico,Coelophysis,Coelophysis bauri,Triassic,198129,New York,Sea scorpion,Eurypterus remipes,Silurian,198430,North Carolina,Shark tooth,Otodus megalodon,Miocene- Pliocene,201331,North Dakota,"Shipworm-boredpetrified wood",Teredo petrified wood,Paleocene,32,Ohio,Trilobite,Isotelus maximus (Fossil invertebrate),Ordovician,198533,Ohio,Dunkleosteus,Dunkleosteus terrelli (Fossil Fish),Devonian,202134,Oklahoma,Saurophaganax,Saurophaganax maximus,Jurassic,200035,Oregon,Dawn redwood,Metasequoia,Eocene,200536,Pennsylvania,Trilobite,Phacops rana,Devonian,198837,South Carolina,Columbian mammoth,Mammuthus columbi,Pleistocene,201438,South Dakota,Triceratops,Triceratops horridus,Cretaceous,39,Tennessee,Bivalve,Pterotrigonia thoracica,Cretaceous,40,Utah,Allosaurus,Allosaurus fragilis,Jurassic,198841,Utah,Utahraptor (state dinosaur),Utahraptor ostrommaysorum,Early Cretaceous,201842,Vermont,Beluga whale (redesignated as state marine fossil in 2014),Delphinapterus leucas,Pleistocene,199343,Vermont,"Woolly mammothtooth and tusk(state terrestrial fossil)",Mammuthus primigenius,Pleistocene,201444,Virginia,scallop,Chesapecten jeffersonius,Cenozoic,199345,Washington,Columbian mammoth,Mammuthus columbi,Pleistocene,199846,West Virginia,Jefferson's ground sloth,Megalonyx jeffersonii,Late Pleistocene,200847,Wisconsin,Trilobite,Calymene celebra,Silurian,198548,Wyoming,Knightia,Knightia spp.,Eocene,"February 18, 1987",,,,,https://www.downloadexcelfiles.com/,,,,,