Dinosaurs and other fossils found in North Dakota
The Paleobiology Database records 953 fossil occurrences of 197 genera in North Dakota, United States, including 11 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 North Dakota?
The Paleobiology Database records 11 dinosaur genera from North Dakota. Those with the most fossil records there are Tyrannosaurus, Saurornitholestes, Triceratops, Edmontosaurus, Troodon, Pachycephalosaurus.
Dinosaurs found in North Dakota (11 genera)
Tyrannosaurus, Saurornitholestes, Triceratops, Edmontosaurus, Troodon, Pachycephalosaurus, Avisaurus, Torosaurus and 3 more genera without a page here: Anzu, Paronychodon, Richardoestesia.
Prehistoric birds (2 genera)
Presbyornis · 1 more genera recorded.
Mosasaurs (4 genera)
Mosasaurus, Jormungandr, Platecarpus · 1 more genera recorded.
Crocodile relatives (6 genera)
6 more genera recorded.
Ice Age & later mammals (128 genera)
Meniscoessus, Didelphodon, Neoplagiaulax, Hesperocyon, Plesiadapis, Ptilodus, Titanoides, Mesodma, Ectocion, Merycoidodon, Cimolodon, Ischyromys, Palaeolagus, Poebrotherium, Peradectes, Ignacius, Mesohippus, Phenacodus, Palaeoryctes, Leptomeryx, Ectypodus, Carpodaptes, Parectypodus, Miohippus, Alphadon, Hyopsodus, Subhyracodon, Diceratherium, Daphoenus, Leptictis, Herpetotherium, Bisonalveus, Gypsonictops, Prochetodon, Archaeotherium, Miacis, Coryphodon, Dinictis, Megalonyx, Hyracodon, Arctocyon, Teilhardina, Metamynodon, Trigonias, Archaeocyon, Diacodexis, Elomeryx, Protungulatum, Brachycrus, Paramys, Protoceras, Dissacus, Merycochoerus, Palaeosinopa, Cantius, Homogalax, Leptauchenia, Oxyacodon, Altacreodus, Didymictis, Hypertragulus, Merychyus, Osbornodon, Bothriodon, Conoryctella, Aletodon, Agnotocastor, Microcosmodon, Microsyops, Miniochoerus, Prosciurus, Mimetodon, Nanotragulus, Didelphodus · 54 more genera recorded.
Ancient fish & sharks (33 genera)
Plicatoscyllium, Archaeotriakis, Otodus · 30 more genera recorded.
Ammonites & nautiloids (2 genera)
2 more genera recorded.
Trilobites & sea scorpions (11 genera)
11 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).