Dinosaurs and other fossils found in Oklahoma
The Paleobiology Database records 2,356 fossil occurrences of 428 genera in Oklahoma, United States, including 20 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 Oklahoma?
The Paleobiology Database records 20 dinosaur genera from Oklahoma. Those with the most fossil records there are Tenontosaurus, Acrocanthosaurus, Stegosaurus, Apatosaurus, Allosaurus, Deinonychus.
Dinosaurs found in Oklahoma (20 genera)
Tenontosaurus, Acrocanthosaurus, Stegosaurus, Apatosaurus, Allosaurus, Deinonychus, Diplodocus, Camarasaurus, Ceratosaurus, Brachiosaurus, Brontosaurus, Sauroposeidon and 8 more genera without a page here: Camptosaurus, Caririchnium, Grallator, Gypsichnites, Hadrosauropodus, Magnoavipes, Megalosauripus, Saurophaganax.
Prehistoric birds (1 genera)
1 more genera recorded.
Pterosaurs (1 genera)
Crocodile relatives (4 genera)
Bernissartia, Alligator · 2 more genera recorded.
Early tetrapods & amphibians (27 genera)
Diplocaulus, Trimerorhachis, Eryops, Acheloma, Tersomius, Cacops, Aspidosaurus, Crossotelos, Zatrachys, Rhynchonkos, Dissorophus, Fayella, Llistrofus, Hapsidopareion, Perryella, Nooxobeia, Pasawioops, Nannospondylus · 9 more genera recorded.
Pre-mammals (synapsids) (13 genera)
Dimetrodon, Edaphosaurus · 11 more genera recorded.
Ice Age & later mammals (122 genera)
Equus, Pseudhipparion, Mammuthus, Sorex, Epicyon, Calippus, Spermophilus, Hipparion, Geomys, Camelops, Neohipparion, Bison, Mammut, Pliohippus, Megatylopus, Cynomys, Tamias, Perognathus, Thomomys, Castoroides, Borophagus, Hemiauchenia, Hippotherium, Oklatheridium, Vulpes, Myotis, Odocoileus, Homotherium, Blarina, Zapus, Megalonyx, Glyptotherium, Dinohippus, Paramylodon, Hypolagus, Cormohipparion, Pappotherium, Astroconodon, Bootherium, Dipoides, Ustatochoerus, Lepus, Marmota, Felis, Smilodon, Cervus, Sylvilagus, Dasypus, Chaetodipus, Reithrodontomys, Barbourofelis, Merychippus, Alces, Urocitellus, Cuvieronius, Amebelodon, Platygonus, Cervalces, Amphimachairodus, Aelurodon, Nimravides, Adelphailurus, Aphelops, Euceratherium, Mylohyus, Astrohippus, Carpocyon, Nothrotherium, Merychyus, Plesiogulo, Serbelodon, Alforjas, Arctonasua, Atokatheridium, Holoclemensia, Buisnictis, Paracimexomys · 45 more genera recorded.
Ancient fish & sharks (22 genera)
Cooleyella · 21 more genera recorded.
Ammonites & nautiloids (60 genera)
Orthoceras · 59 more genera recorded.
Trilobites & sea scorpions (101 genera)
Calymene, Eomonorachus · 99 more genera recorded.
Ediacaran & Cambrian life (54 genera)
54 more genera recorded.
Giant insects & arthropods (3 genera)
Oligotypus · 2 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).