Dinosaurs and other fossils found in Alaska
The Paleobiology Database records 2,065 fossil occurrences of 429 genera in Alaska, United States, including 16 dinosaur genera. Every fossil site is shown on the map; colours show the main group found there. States are as recorded by the Paleobiology Database for each fossil collection.
Dots are fossil collections in the Paleobiology Database on today’s map, merged where closer than about 5 km. See them on the ancient Earth →
What dinosaurs have been found in Alaska?
The Paleobiology Database records 16 dinosaur genera from Alaska. Those with the most fossil records there are Troodon, Dromaeosaurus, Edmontosaurus, Pachyrhinosaurus, Tetrapodosaurus, Hesperornis.
Dinosaurs found in Alaska (16 genera)
Troodon, Dromaeosaurus, Edmontosaurus, Pachyrhinosaurus, Tetrapodosaurus, Hesperornis, Saurornitholestes, Edmontonia and 8 more genera without a page here: Alaskacephale, Amblydactylus, Grallator, Hadrosauropodus, Magnoavipes, Nanuqsaurus, Saurexallopus, Ugrunaaluk.
Prehistoric birds (27 genera)
Fratercula, Larus, Uria, Phalacrocorax, Phoebastria, Synthliboramphus, Branta, Gavia, Cerorhinca, Cygnus, Corvus, Buteo, Lagopus, Rissa, Cepphus, Brachyramphus · 11 more genera recorded.
Ice Age & later mammals (58 genera)
Odobenus, Mammuthus, Enhydra, Callorhinus, Bison, Hydrodamalis, Vulpes, Equus, Ovis, Cervus, Balaena, Eschrichtius, Sikuomys, Balaenoptera, Eubalaena, Zalophus, Dicrostonyx, Bootherium, Marmota, Mustela, Spermophilus, Mammut, Sorex, Arctodus, Orcinus, Lasiopodomys, Castoroides, Phenacomys, Alces, Kolponomos, Cervalces, Erethizon, Cimolodon, Desmatophoca, Unnuakomys, Praeovibos, Ounalashkastylus · 21 more genera recorded.
Ancient fish & sharks (3 genera)
3 more genera recorded.
Ammonites & nautiloids (202 genera)
Orthoceras, Baculites, Dactylioceras, Parkinsonia · 198 more genera recorded.
Trilobites & sea scorpions (35 genera)
Calymene · 34 more genera recorded.
Ediacaran & Cambrian life (88 genera)
Westergaardodina, Elrathia, Paradoxides · 85 more genera recorded.
Fossil occurrences: Paleobiology Database (CC0 as reported by the API; CC BY 4.0 policy), downloaded 23 October 2026. Genus pages quote Wikipedia (CC BY-SA 4.0).