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Dinosaurs and other fossils found in the United States

The Paleobiology Database records 147,999 fossil occurrences of 6,005 genera in the United States, including 300 dinosaur genera. Every fossil site is shown on the map; colours show the main group found there. Countries 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 the United States?

The Paleobiology Database records 300 dinosaur genera from the United States. Those with the most fossil records there are Eubrontes, Triceratops, Allosaurus, Camarasaurus, Anomoepus, Stegosaurus.

Dinosaurs found in the United States (300 genera)

Eubrontes, Triceratops, Allosaurus, Camarasaurus, Anomoepus, Stegosaurus, Tenontosaurus, Tyrannosaurus, Apatosaurus, Diplodocus, Edmontosaurus, Saurornitholestes, Deinonychus, Troodon, Alamosaurus, Sauropelta, Pachycephalosaurus, Ichthyornis, Coelophysis, Ornithomimus, Kritosaurus, Brontosaurus, Dromaeosaurus, Ceratosaurus, Barosaurus, Brachiosaurus, Parasaurolophus, Acrocanthosaurus, Pentaceratops, Ankylosaurus, Dilophosaurus, Hesperornis, Daspletosaurus, Tetrapodosaurus, Edmontonia, Torosaurus, Torvosaurus, Albertosaurus, Maiasaura, Gorgosaurus, Hadrosaurus, Appalachiosaurus, Trierarchuncus, Euoplocephalus, Sauroposeidon, Struthiomimus, Leptoceratops, Supersaurus, Utahraptor, Protohadros, Centrosaurus, Cedarosaurus, Prosaurolophus, Teratophoneus, Parahesperornis, Xenovenator, Brontotholus, Corythosaurus, Einiosaurus, Gastonia, Pachyrhinosaurus, Saurolophus, Nodosaurus, Avisaurus, Baptornis, Crittendenceratops, Brodavis, Parabrontopodus, Kosmoceratops, Iguanodon, Chasmosaurus, Gojirasaurus, Elaphrosaurus, Talos, Lokiceratops, Aquilops, Zuul, Dynamoterror, Stellasaurus, Rhinorex, Citipes, Mirarce, Platytholus, Aquilarhinus, Fosterovenator, Iani, Menefeeceratops, Eoneophron, Potamornis, Malefica, Apatornis, Athenar, Gettyia, Gremlin, Smitanosaurus, Fumicollis, Halimornis, Flexomornis, Iaceornis, Banisterobates and 200 more genera without a page here: Abydosaurus, Achelousaurus, Acheroraptor, Acristavus, Adelolophus, Agujaceratops, Ahshislepelta, Ahshislesaurus, Ahvaytum, Akainacephalus, Alaskacephale, Albertaceratops, Albertonykus, Aletopelta, Amblydactylus, Ampelognathus, Amphicoelias, Anasazisaurus, Anchisauripus, Anchisaurus, Angulomastacator, Animantarx, Anzu, Ardetosaurus, Arkansaurus, Astrophocaudia, Atreipus, Augustynolophus, Avaceratops, Bambiraptor, Barrancapus, Bistahieversor, Bisticeratops, Brachylophosaurus, Bravoceratops, Brontomerus, Brontopodus, Caenagnathus, Camposaurus, Camptosaurus, Caririchnium, Carmelopodus, Cedarpelta, Cedrorestes, Cerasinops, Ceratopsipes, Chirostenotes, Claosaurus, Coelurus, Continuoolithus, Convolosaurus, Dacentrurus, Dakotadon, Dakotaraptor, Dakotasaurus, Deltapodus, Diabloceratops, Dilophosauripus, Dinehichnus, Dineobellator, Dinosauropodes, Dromaeosauripus, Dryosaurus, Dryptosaurus, Dyslocosaurus, Dystrophaeus, Eoanomoepus, Eolambia, Eosauropus, Eotrachodon, Evazoum, Falcarius, Furcatoceratops, Fuscinapedis, Galeamopus, Gargoyleosaurus, Geminiraptor, Glyptodontopelta, Grallator, Gryposaurus, Gypsichnites, Hadrosauropodus, Hagryphus, Haplocanthosaurus, Hesperornithoides, Hesperosaurus, Hippodraco, Hispanosauropus, Hoplitosaurus, Hypacrosaurus, Hypsiloichnus, Iguanacolossus, Invictarx, Irenesauripus, Jeyawati, Judiceratops, Kaatedocus, Kayentapus, Kayentavenator, Lepidus, Leptorhynchos, Lophorhothon, Lythronax, Machairoceratops, Macroelongatoolithus, Magnoavipes, Maraapunisaurus, Marshosaurus, Martharaptor, Medusaceratops, Megalosauripus, Megalosauropus, Megapnosaurus, Microvenator, Mierasaurus, Moabosaurus, Monoclonius, Montanoceratops, Montanoolithus, Moros, Mymoorapelta, Naashoibitosaurus, Nanotyrannus, Nanuqsaurus, Nasutoceratops, Navahopus, Navajoceratops, Nedcolbertia, Niobrarasaurus, Nodocephalosaurus, Nothronychus, Oohkotokia, Ornatops, Ornitholestes, Ornithomimipus, Osmakasaurus, Ostendichnus, Otozoum, Ovaloolithus, Panoplosaurus, Paronychodon, Pawpawsaurus, Pectinodon, Peloroplites, Planicoxa, Plectropus, Porituberoolithus, Prenocephale, Prenoceratops, Probrachylophosaurus, Propanoplosaurus, Protoavis, Pseudotetrasauropus, Richardoestesia, Rubeosaurus, Sarahsaurus, Saurexallopus, Saurophaganax, Sauropus, Saurornithoides, Scutellosaurus, Segisaurus, Seitaad, Selenichnus, Siats, Sierraceratops, Silvisaurus, Sonorasaurus, Sphaerotholus, Spheroolithus, Spiclypeus, Stegoceras, Stegopelta, Stegopodus, Stenonychosaurus, Stokesosaurus, Suskityrannus, Suuwassea, Syntarsus, Tanycolagreus, Tatankacephalus, Teihivenator, Terminocavus, Tetrasauropus, Texasetes, Theiophytalia, Therangospodus, Triprismatoolithus, Tubercuoolithus, Tyrannosauripus, Ugrunaaluk, Undulatoolithus, Utahceratops, Vagaceratops, Venenosaurus, Wakinyantanka, Yurgovuchia, Zapsalis, Ziapelta, Zuniceratops.

Prehistoric birds (433 genera)

Anas, Phalacrocorax, Buteo, Corvus, Gavia, Larus, Branta, Aythya, Podiceps, Puffinus, Uria, Melanitta, Ardea, Morus, Podilymbus, Spatula, Fulica, Phoebastria, Numenius, Haliaeetus, Bucephala, Synthliboramphus, Antigone, Pelecanus, Fratercula, Tyto, Bubo, Grus, Asio, Tringa, Aechmophorus, Ardenna, Aquila, Gymnogyps, Mergus, Cygnus, Ciconia, Tympanuchus, Callipepla, Mancalla, Calidris, Agelaius, Charadrius, Limosa, Porzana, Pelagornis, Limnodromus, Strix, Diomedea, Egretta, Sula, Mareca, Bonasa, Neophrontops, Phoenicopterus, Turdus, Athene, Brachyramphus, Cerorhinca, Scolopax, Gallinago, Oxyura, Eudocimus, Junco, Aix, Gallinula, Cepphus, Buteogallus, Limnofregata, Rissa, Bathornis, Spizaetus, Anhinga, Anabernicula, Klallamornis, Recurvirostra, Lagopus, Mycteria, Butorides, Stercorarius, Sterna, Porphyrio, Calonectris, Falcipennis, Pandion, Nyctanassa, Presbyornis, Aramus, Actitis, Laterallus, Bartramia, Megapaloelodus, Avipeda, Haematopus, Plegadis, Titanis, Centrocercus, Cyrtonyx, Geranoaetus, Cimolopteryx, Lithornis, Amplibuteo, Miomancalla, Tonsala, Columba, Otus, Phasianus, Balearica, Ixobrychus, Conuropsis, Paracrax, Graculavus, Palaeotringa, Dendrocygna, Himantopus, Thalasseus, Jacana, Burhinus, Procellaria, Juncitarsus, Osteodontornis, Surnia, Eostrix, Lamarqueavis, Primobucco, Anchigyps, Dasornis, Minerva, Feducciavis, Gallus, Tadorna, Ardeola, Pachyptila, Bulweria, Milvago, Pardirallus, Palaelodus, Vultur, Anatalavis, Ogygoptynx, Torotix, Tytthostonyx, Ceramornis, Eocypselus, Colymboides, Lonchodytes, Nahmavis, Palaeoscinis, Prophaethon, Eocuculus, Eutreptornis, Fluvioviridavis, Messelornis, Paracathartes, Plotopterum, Tsidiiyazhi, Badistornis, Calciavis, Cyrilavis, Eofringillirostrum, Hadrogyps, Heliadornis, Palaeochenoides, Primoptynx, Amitabha, Anachronornis, Celericolius, Helonetta, Makahala, Megalodytes, Olympidytes, Palaealectoris, Phasmagyps, Phocavis, Pulchrapollia, Pumiliornis, Taphophoyx · 256 more genera recorded.

Pterosaurs (25 genera)

Pteranodon, Pteraichnus, Quetzalcoatlus, Nyctosaurus, Bennettazhia, Navajodactylus, Harpactognathus, Montanazhdarcho, Infernodrakon, Kepodactylus, Aetodactylus, Cimoliopterus, Dawndraco, Radiodactylus, Alamodactylus, Mesadactylus, Rhamphinion, Wellnhopterus, Eotephradactylus · 6 more genera recorded.

Ichthyosaurs (15 genera)

Ichthyosaurus, Platypterygius, Ophthalmosaurus, Mixosaurus, Shonisaurus, Omphalosaurus, Utatsusaurus, Thalattoarchon · 7 more genera recorded.

Plesiosaurs & kin (35 genera)

Trinacromerum, Brachauchenius, Polycotylus, Pantosaurus, Tatenectes, Martinectes, Plesiosaurus, Thalassomedon, Morenosaurus, Scalamagnus, Unktaheela, Elasmosaurus, Nothosaurus, Libonectes, Megalneusaurus, Hydrotherosaurus, Fresnosaurus, Aphrosaurus, Edgarosaurus, Discosaurus, Eopolycotylus, Palmulasaurus, Serpentisuchops, Nakonanectes, Pahasapasaurus, Ogmodirus · 9 more genera recorded.

Mosasaurs (20 genera)

Mosasaurus, Tylosaurus, Platecarpus, Prognathodon, Russellosaurus, Jormungandr · 14 more genera recorded.

Crocodile relatives (125 genera)

Alligator, Crocodylus, Postosuchus, Poposaurus, Deinosuchus, Bernissartia, Leidyosuchus, Arizonasaurus, Gavialosuchus, Tomistoma, Benggwigwishingasuchus, Garzapelta, Pattisaura · 112 more genera recorded.

Early tetrapods & amphibians (152 genera)

Eryops, Diplocaulus, Trimerorhachis, Apachesaurus, Diploceraspis, Zatrachys, Platyhystrix, Isodectes, Aspidosaurus, Phlegethontia, Acheloma, Chenoprosopus, Dissorophus, Broiliellus, Eocyclotosaurus, Cacops, Parioxys, Tersomius, Metoposaurus, Amphibamus, Neldasaurus, Acroplous, Conjunctio, Stegops, Crossotelos, Ctenerpeton, Ecolsonia, Erpetosaurus, Platyrhinops, Wellesaurus, Diceratosaurus, Vigilius, Ptyonius, Lafonius, Phonerpeton, Rileymillerus, Stanocephalosaurus, Trihecaton, Slaugenhopia, Pasawioops, Quasicyclotosaurus, Limnopus, Gerobatrachus, Branchiosaurus, Parotosuchus, Fedexia, Dasyceps, Rhynchonkos, Sauropleura, Fayella, Utaherpeton, Arizonerpeton, Llistrofus, Adamanterpeton, Anconastes, Astreptorhachis, Eoscopus, Hadrokkosaurus, Rubeostratilia, Actiobates, Brevidorsum, Calamops, Cosgriffius, Ductilodon, Hapsidopareion, Onchiodon, Perryella, Milnererpeton, Nanobamus, Nooxobeia, Plemmyradytes, Scapanops, Nannospondylus, Reiszerpeton · 78 more genera recorded.

Pre-mammals (synapsids) (73 genera)

Dimetrodon, Edaphosaurus, Ianthasaurus, Kenomagnathus · 69 more genera recorded.

Early mammals (5 genera)

Morganucodon · 4 more genera recorded.

Ice Age & later mammals (1821 genera)

Hyopsodus, Equus, Phenacodus, Mammut, Coryphodon, Sifrhippus, Cantius, Ectocion, Diacodexis, Didymictis, Paramys, Viverravus, Mammuthus, Sylvilagus, Odocoileus, Microsyops, Palaeolagus, Sorex, Hemiauchenia, Herpetotherium, Mesodma, Hypolagus, Camelops, Hyracotherium, Sigmodon, Plesiadapis, Aphelops, Leptauchenia, Spermophilus, Merycoidodon, Platygonus, Merychyus, Calippus, Thomomys, Homogalax, Hesperocyon, Aelurodon, Bison, Geomys, Pseudhipparion, Chriacus, Pliohippus, Castoroides, Megalonyx, Meniscoessus, Epicyon, Dipodomys, Merychippus, Peradectes, Hyrachyus, Miacis, Perognathus, Oxyaena, Cormohipparion, Ischyromys, Borophagus, Leptocyon, Ustatochoerus, Miniochoerus, Neohipparion, Palaeosinopa, Leptomeryx, Gomphotherium, Lepus, Dinohippus, Protoreodon, Vulpavus, Cimolodon, Castor, Notharctus, Heptodon, Hyracodon, Hypohippus, Periptychus, Ectypodus, Procyon, Myotis, Alphadon, Plesippus, Acritohippus, Paramylodon, Protohippus, Miohippus, Apatemys, Diceratherium, Reithrodontomys, Hippotherium, Vulpes, Marmota, Blarina, Protolabis, Arctocyon, Prolimnocyon, Merycodus, Mylohyus, Omomys, Didelphodon, Palaeocastor, Cynomys, Copecion, Lambdotherium, Ptilodus, Gypsonictops, Megatylopus, Hyaenodon, Ectoganus, Holmesina, Peraceras, Cimolomys, Parahippus, Archaeohippus, Daphoenus, Uintacyon, Cynarctoides, Mesohippus, Brachycrus, Paratomarctus, Aenocyon, Leptoreodon, Probathyopsis, Erethizon, Orohippus, Dissacus, Stygimys, Mustela, Dasypus, Pachyaena, Smilodon, Arctodus, Palaeosyops, Otospermophilus, Arctocephalus, Archaeotherium, Protungulatum, Dipoides, Uintasorex, Trigonictis, Sciurus, Poebrotherium, Tamias, Meniscotherium, Ignacius, Proscalops, Smilodectes, Cervus, Scapanus, Paracimexomys, Hipparion, Promerycochoerus, Neoplagiaulax, Desmostylus, Capromeryx, Amynodon, Azygonyx, Basilosaurus, Phlaocyon, Cosoryx, Eucastor, Menoceras, Nanotragulus, Didelphodus, Subhyracodon, Hypertragulus, Mesoreodon, Ovis, Glaucomys, Amphicyon, Tritemnodon, Neogale, Glyptotherium, Stegomastodon, Tomarctus, Monosaulax, Sespia, Tetraclaenodon, Agriochoerus, Scaphohippus, Ticholeptus, Puma, Carpolestes, Odobenus, Carpocyon, Cimexomys, Leptalestes, Parectypodus, Pseudaelurus, Epihippus, Satherium, Turgidodon, Phenacomys, Sinopa, Cranioceras, Eptesicus, Zapus, Ontocetus, Cynarctus, Desmatippus, Desmocyon, Eucosmodon, Didelphis, Bootherium, Cryptotis, Megacerops, Macrocranion, Teilhardina, Trogosus, Ischyrocyon, Prosynthetoceras, Hoplophoneus, Archaeocyon, Metaxytherium, Neochoerus, Aletodon, Triplopus, Hypisodus, Longirostromeryx, Pseudotomus, Titanoides, Protylopus, Palaeolama, Blastomeryx, Microtomarctus, Lontra, Homotherium, Moropus, Megahippus, Merycochoerus, Osbornodon, Ectoconus, Plagiomene, Leptophoca, Michenia, Balaenoptera, Baiomys, Vassacyon, Pediomys, Mimomys, Chiromyoides, Tamiasciurus, Protorohippus, Palaeonictis, Mesocyon, Palaeogale, Uintatherium, Urocitellus, Cuvieronius, Cimolestes, Eoconodon, Herpetocetus, Enhydrocyon, Dinictis, Trigonias, Nothrotherium, Brachyrhynchocyon, Helaletes, Desmatochoerus, Eremotherium, Enhydra, Batodonoides, Oxyacodon, Anacodon, Eotitanops, Metatomarctus, Xiphiacetus, Protomarctus, Nototamias, Tremarctos, Squalodon, Imagotaria, Metarhinus, Paracynarctus, Paracosoryx, Homo, Antilocapra, Mimoperadectes, Prosthennops, Ramoceros, Mesogaulus, Oxyclaenus, Anaptomorphus, Notiosorex, Pantolambda, Psittacotherium, Stenomylus, Callorhinus, Cynelos, Duchesneodus, Cedaromys, Patriofelis, Kentriodon, Oxydactylus, Palaeoryctes, Daphoenodon, Leptotragulus, Alilepus, Copelemur, Merycoides, Microcosmodon, Chaetodipus, Machairodus, Barbourofelis, Ceratogaulus, Stylinodon, Dusisiren, Euceratherium, Limnocyon, Astrohippus, Tylocephalonyx, Paratylopus, Agnotocastor, Lambertocyon, Paraenhydrocyon, Eschrichtius, Nimravides, Catopsalis, Eporeodon, Alforjas, Bathygenys, Prochetodon, Schizodelphis, Prosciurus, Paenemarmota, Felis, Ammospermophilus, Neotamias, Hydrodamalis, Leptictis, Tetrameryx, Pomatodelphis, Anconodon, Promartes, Bryceomys, Diplobunops, Procastoroides, Allodesmus, Harpagolestes, Bathyopsis, Orycterocetus, Parictis, Pseudoprotoceras, Anchitheriomys, Paroreodon, Cratogeomys, Metacheiromys, Aletomeryx, Mixodectes, Paronychomys, Cervalces, Taeniolabis, Eurhinodelphis, Peratherium, Achaenodon, Miotylopus, Pithanotaria, Protalphadon, Cormocyon, Paradaphoenus, Telmatherium, Brachypsalis, Goniacodon, Nimravus, Anchitherium, Titanotylopus, Indarctos, Cynodesmus, Rhynchotherium, Kalobatippus, Oodectes, Plesiogulo, Carpodaptes, Amynodontopsis, Perchoerus, Repomys, Buisnictis, Hemiacodon, Tursiops, Metamynodon, Dryolestes, Hapalodectes, Pseudocyon, Temnocyon, Neoliotomus, Zalophus, Desmodus, Zygorhiza, Amebelodon, Synthetoceras, Amphimachairodus, Scaldicetus, Synoplotherium, Eutamias, Megalictis, Condylura, Astroconodon, Heptacodon, Hypsiops, Nothokemas, Tanymykter, Elephas, Tadarida, Barylambda, Alces, Mesonyx, Balaena, Chasmaporthetes, Glossotherium, Paleoparadoxia, Pachyarmatherium, Triisodon, Amblotherium, Mylagaulus, Parietobalaena, Ekgmowechashala, Proterix, Trigenicus, Varalphadon, Baiotomeus, Stockoceros, Metalopex, Mimetodon, Macrotarsius, Synemporion, Enaliarctos, Tapocyon, Pontolis, Pliometanastes, Arctonasua, Dusignathus, Batodon, Crenatosiren, Paranyctoides, Oreodontoides, Trichechus, Purgatorius, Mylodon, Cynthiacetus, Elomeryx, Eodelphis, Plionarctos, Ysengrinia, Amphechinus, Otarocyon, Gracilocyon, Mesocetus, Lambdoceras, Pliocyon, Daphoenictis, Filikomys, Martinogale, Wyonycteris, Xenorophus, Daeodon, Oreamnos, Aplodontia, Cephalogale, Dioplotherium, Plithocyon, Ctenacodon, Pelycodus, Serbelodon, Wortmania, Hexameryx, Diprionomys, Nexuotapirus, Betonnia, Ninoziphius, Oklatheridium, Priscocamelus, Leopardus, Cetotherium, Protosiren, Nothrotheriops, Protoceras, Laolestes, Galecyon, Valenictus, Ankylorhiza, Floridatragulus, Conoryctella, Diplacodon, Tephrocyon, Euroxenomys, Leptolambda, Pterogaulus, Eubalaena, Mesoplodon, Dicrostonyx, Lasiopodomys, Megantereon, Syndyoceras, Lycophocyon, Miotapirus, Bisonalveus, Thalassoleon, Aztlanolagus, Pappotherium, Thinobadistes, Albertocetus, Balaenula, Oxetocyon, Gentilicamelus, Mammacyon, Oligobunis, Physeterula, Poabromylus, Protitanotherium, Coronodon, Euoplocyon, Valenopsalis, Hadrodelphis, Janumys, Parvitragulus, Megatherium, Hydrochoerus, Orthogeomys, Liomys, Protapirus, Eubelodon, Diorocetus, Ectopocynus, Hemipsalodon, Merriamoceros, Mesatirhinus, Priacodon, Tytthaena, Agorophius, Kimbetohia, Skinnerhyus, Brachyhyops, Intyrictis, Messapicetus, Holoclemensia, Nannocetus, Navajovius, Pachycetus, Pseudolabis, Aclistomycter, Phenacocoelus, Nasua, Dorudon, Callospermophilus, Aetiocetus, Eobasileus, Pogonodon, Adelphailurus, Brachylagus, Desmatophoca, Parapontoporia, Altacreodus, Psalodon, Zodiolestes, Heteromeryx, Homiphoca, Pteronarctos, Ameribaatar, Atlanticetus, Blancocamelus, Limnenetes, Olympicetus, Pinnarctidion, Zarhinocetus, Basirepomys, Delotrochanter, Miminiacetus, Platybelodon, Dinofelis, Eohippus, Kogia, Eumops, Icaronycteris, Mormoops, Corynorhinus, Machaeroides, Georgiacetus, Semirostrum, Osbornoceros, Megacamelus, Choneziphius, Conoryctes, Haplolambda, Neovulpavus, Raphictis, Cophocetus, Goniodelphis, Jugulator, Psalidocyon, Bretzia, Glirodon, Liolithax, Lophocetus, Echovenator, Notoparamys, Oreonetes, Pelocetus, Glyptodon, Microdipodops, Orcinus, Gobiconodon, Hippidion, Kolponomos, Ilingoceros, Patriomanis, Planetetherium, Apataelurus, Floridaceras, Hayoceros, Aulophyseter, Paratoceras, Adilophontes, Angelarctocyon, Behemotops, Rhizocyon, Tinodon, Aguascalientia, Eomellivora, Monotherium, Neoparadoxia, Poebrodon, Corystosiren, Fucaia, Pelagiarctos, Euthlastus, Miopetaurista, Araeodelphis, Australocamelus, Corumictis, Krauseia, Mixocetus, Osodobenus, Parvicornus, Phocageneus, Plesiocolopirus, Tapiravus, Hoplictis, Mahgarita, Xyronomys, Mediochoerus, Ninamys, Paressonodon, Parikimys, Sikuomys, Eusmilus, Fruitafossor, Pappogeomys, Xenosmilus, Anancus, Simocyon, Chrysocyon, Proviverra, Neurotrichus, Soergelia, Amphictis, Bohaskaia, Gomphotaria, Haplohippus, Pliopedia, Protitanops, Theriodictis, Allodelphis, Eotheroides, Pyrocyon, Albertatherium, Atokatheridium, Bothriodon, Eurybelodon, Floridachoerus, Macrodelphinus, Piscobalaena, Protarctos, Toromeryx, Uintaceras, Amphidon, Eomysticetus, Matthewlabis, Megaleptictis, Notiotitanops, Proantilocapra, Sthenodectes, Aceroryctes, Actiocyon, Kogiopsis, Metatelmatherium, Metopocetus, Natchitochia, Titanotaria, Triconolestes, Cuyamacamelus, Koopmanycteris, Kronokotherium, Montanatylopus, Panolax, Salishicetus, Scalaridelphys, Stevenscamelus, Umbogaulus, Camelus, Berardius, Livyatan, Pteronotus, Metailurus, Sinonyx, Hemicyon, Palaeochiropteryx, Chamitataxus, Dinaelurus, Mixotoxodon, Paramachaerodus, Protocyon, Xenocyon, Paracamelus, Waipatia, Bolodon, Eobalaenoptera, Escavadodon, Gnathabelodon, Parailurus, Pristinailurus, Rhizosmilodon, Aglaocetus, Montanalestes, Palaearctonyx, Paurodon, Chrysocetus, Cifelliodon, Diegoaelurus, Malfelis, Pratifelis, Trioracodon, Xenocranium, Caedocyon, Gustafsonia, Militocodon, Acheronodon, Alopecocyon, Aploconodon, Balaenotus, Blancotherium, Caribosiren, Dawsonicyon, Deltatheroides, Eosictis, Meherrinia, Nanocuris, Nanosmilus, Parabalaenoptera, Pediolophodon, Phoberogale, Simocetus, Tathiodon, Unnuakomys, Astadelphis, Atopotarus, Callistosiren, Crenatocetus, Goedertius, Hapalorestes, Hoplocetus, Kimbetopsalis, Phoberocyon, Pontoporia, Praeovibos, Primonatalus, Proneotherium, Tusciziphius, Acidomomys, Anomodon, Archaeodelphis, Auroracetus, Beornus, Carolinacetus, Cephalotropis, Chacomylus, Chipetaia, Crustulus, Dilophodelphis, Dracontolestes, Drassonax, Eodesmus, Gulfoceras, Huracan, Idiophyseter, Maiabalaena, Mescalerolemur, Metaliomys, Ounalashkastylus, Peripolocetus, Stelocyon, Wimahl, Zaisanamynodon, Aprixokogia, Bubodens, Chacopterygus, Dicotyles, Eubrontotherium, Macrokentriodon, Norrisanima, Pacificotaria, Parataxidea, Pliopontos, Priscosiren, Protemnocyon, Sitsqwayk, Squaloziphius, Stegosiren, Stenasodelphis, Tillodon, Tupelocetus, Xylotitan, Archaeoparadoxia, Aurimys, Yaquinacetus · 1010 more genera recorded.

Ancient fish & sharks (444 genera)

Carcharodon, Otodus, Archaeolamna, Cooleyella, Plicatoscyllium, Helicoprion, Johnlongia, Cardabiodon, Archaeotriakis, Harpagofututor, Tethylamna, Ornithoprion, Keasius, Dunkleosteus, Anotodus, Cladoselache, Echinochimaera, Eostegostoma, Carinacanthus, Damocles, Ozarcus, Selenosteus, Turrisaspis, Carcharoides · 420 more genera recorded.

Ammonites & nautiloids (1121 genera)

Baculites, Orthoceras, Cameroceras, Dactylioceras, Parapuzosia, Parkinsonia · 1115 more genera recorded.

Trilobites & sea scorpions (494 genera)

Calymene, Ampyx, Lachnostoma, Eomonorachus, Eurypterus, Pterygotus, Acutiramus, Jaekelopterus, Brongniartella, Raphiophorus, Megalaspides, Radiaspis · 482 more genera recorded.

Ediacaran & Cambrian life (927 genera)

Olenellus, Elrathia, Salterella, Anomalocaris, Cloudina, Ethmophyllum, Paradoxides, Westergaardodina, Gaojiashania, Lepidocystis, Acmarhachis, Tulaneia, Corumbella, Messorocaris, Orthotheca, Acuticarpus, Notchia, Dakorhachis, Skeemella, Megachelicerax, Megasiphon, Kanoshoia, Wiwaxia · 904 more genera recorded.

Giant insects & arthropods (15 genera)

Oligotypus, Arthropleura · 13 more genera recorded.

By state

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).