List of fossiliferous stratigraphic units in Alaska

This article contains a list of fossil-bearing stratigraphic units in the state of Alaska, U.S.

Sites Group or Formation Period Notes Adams Argillite Formation Cambrian Alapah Formation Carboniferous Baird Formation Devonian, Silurian Bear Lake Formation Neogene Beaver Bay Group/Stepovak Formation Paleogene Beaver Bay Group/Tolstoi Formation Paleogene Bowser Formation Jurassic Buchia Ridge Formation Cretaceous Cantwell Formation Cretaceous Cape Deceit Formation Cascaden Ridge Formation Devonian Chapin Peak Formation Triassic Cheeneetnuk Formation Devonian Chickaloon Formation Paleogene Chignik Formation Cretaceous Chinitna Formation Jurassic Chisana Formation Cretaceous Chitistone Formation Triassic Colville Group/Prince Creek Formation Paleogene, Cretaceous Cornwallis Limestone Triassic Coronados Volcanics Formation Devonian Corwin Formation Cretaceous Cynthia Falls Sandstone Jurassic Dd Formation Ordovician Descon Formation Silurian Eagle Creek Formation Permian Eek Mountain Formation Cretaceous Eli Formation Devonian Etivluk Group/Otuk Formation Triassic Etivluk Group/Siksikpuk Formation Permian, Carboniferous Eva Formation Quaternary Fitz Creek Siltstone Jurassic Fossil Creek Volcanics Formation Ordovician Glenn Shale Triassic Gold Hill Loess Quaternary Goldstream Formation Quaternary Grubstake Formation Neogene Gubik Formation Halleck Formation Permian Hasen Creek Formation Permian Heceta Limestone Silurian Hillard Limestone Cambrian Holitna Formation Triassic, Silurian Hoodoo Formation Cretaceous Hound Island Volcanics Formation Triassic Ignek Formation Cretaceous Imuruk Volcanics Formation Neogene Jones Ridge Limestone Cambrian Kamishak Formation Jurassic, Triassic Kanayut Formation Devonian Karheen Formation Devonian, Silurian, Ordovician Kashevarof Formation Silurian Kennel Creek Formation Silurian Kennicott Formation Cretaceous Kialagvik Formation Jurassic Kingak Shale Jurassic Kongakut Formation Cretaceous Kugururok Formation Devonian Kukpowruk Formation Cretaceous Kuna Formation Carboniferous Kupowruk Formation Cretaceous Ladrones Formation Carboniferous Limestone Mountain Formation Devonian Lisburne Group/Alapah Limestone Carboniferous Lisburne Group/Kogruk Formation Carboniferous Lisburne Group/Upper Formation Carboniferous Lone Mountain Formation Ordovician Lower Cantwell Formation Cretaceous Matanuska Formation Cretaceous McCann Hill Formation Devonian McCann Hill Chert Formation Devonian McCarthy Formation Triassic Mount Dall Formation Permian Mount Oratia Formation Cretaceous Naknek Formation Jurassic Nanook Formation Devonian, Ordovician Nanushuk Formation Cretaceous Nanushuk Formation Cretaceous Nanushuk Group/Chandler Formation Cretaceous Nanushuk Group/Prince Creek Formation Cretaceous Narrow Cape Formation Neogene Nation River Formation Devonian Nehenta Formation Triassic Nuka Formation Carboniferous Ogilvie Formation Devonian Okipruak Formation Cretaceous Okpikruak Formation Cretaceous Orca Formation Paleogene Otuk Formation Triassic Peratrovich Formation Carboniferous Phelan Creek Formation Permian Port Clarence Limestone Ordovician Port Refugio Formation Devonian Poul Creek Formation Paleogene Prince Creek Formation Cretaceous Pybus Formation Permian Ready Bullion Formation Holocene Road River Formation Silurian, Ordovician Sadlerochit Formation Permian Sadlerochit Group/Ivishak Formation Triassic Sagavanirktok Formation Neogene Salmontrout Limestone Devonian Schrader Bluff Formation Cretaceous Shelikof Formation Jurassic Shublik Formation Triassic Siksikpuk Formation Permian Skajit Formation Devonian Slana Spur Formation Permian Soda Creek Formation Devonian South Bight II Formation Split Creek Formation Paleogene Staniukovich Formation Cretaceous, Jurassic Stepovak Formation Paleogene Tachilni Formation Neogene Takhandit Formation Permian Talkeetna Formation Jurassic Telsitina Formation Ordovician Telsitna Formation Ordovician Tetelna Formation Permian Tiglukpuk Formation Jurassic Tolovana Formation Devonian Tolstoi Formation Paleogene Topsy Formation Neogene Torok Formation Cretaceous Tuxedni Group/Bowser Formation Jurassic Tuxedni Group/Cynthia Falls Sandstone Jurassic Tuxedni Group/Gaikema Formation Jurassic Tuxedni Group/Red Glacier Formation Jurassic Tyonek Formation Neogene Ulungarat Formation Devonian Unalaska Formation Neogene, Paleogene Ungalikthluk Belt Formation Cretaceous Upper Naknek Formation Jurassic Wachsmuth Formation Carboniferous Wadleigh Formation Devonian Wadleigh Limestone Devonian Whirlwind Creek Group/Upper Formation Devonian Willoughby Formation Silurian Willoughby Limestone Silurian Yakataga Formation Neogene

See also

Paleontology in Alaska

References