Dinosaurs and other fossils found in AR

What dinosaurs have been found in AR?

The Paleobiology Database records 202 dinosaur genera from AR. Those with the most fossil records there are Martinavis, Giganotosaurus, Megaraptor, Antarctosaurus, Anabisetia, Taurovenator.

Dinosaurs found in AR (202 genera)

Martinavis, Giganotosaurus, Megaraptor, Antarctosaurus, Anabisetia, Taurovenator, Enantiornis, Neuquenornis, Isasicursor, Elbretornis, Wildeichnus, Amargasaurus, Dreadnoughtus, Abelisaurus, Mapusaurus, Saltasaurus, Agustinia, Patagotitan, Patagonykus, Eoabelisaurus, Maip, Llukalkan, Meraxes, Patagopteryx, Aoniraptor, Ligabuesaurus, Asfaltovenator, Sarmientosaurus, Elaltitan, Guemesia, Lapampasaurus, Elemgasem, Koleken, Lajasvenator, Emiliasaura, Pandoravenator, Titanomachya, Diuqin, Huayracursor, Soroavisaurus, Tralkasaurus, Vitosaura, Yeneen, Campananeyen, Chakisaurus, Yungavolucris, Anomoepus, Intiornis, Lectavis, Limenavis, Cienciargentina, Alamitornis, Kookne, Yatenavis, Argentinosaurus, Carnotaurus, Eoraptor, Plateosaurus and 144 more genera without a page here: Abelichnus, Acheralichnus, Achillesaurus, Adeopapposaurus, Aeolosaurus, Aerosteon, Alnashetri, Alvarezsaurus, Amargatitanis, Amygdalodon, Anchisauripus, Andesaurus, Aniksosaurus, Anteavis, Argyrosaurus, Arriagadoolithus, Astigmasaura, Aucasaurus, Austrocheirus, Austroraptor, Baalsaurus, Bagualia, Bajadasaurus, Barrosasaurus, Bicentenaria, Bicharracosaurus, Bonapartenykus, Bonapartesaurus, Bonatitan, Bonitasaura, Brachytrachelopan, Bravasaurus, Bressanichnus, Brontopodus, Buitreraptor, Bustingorrytitan, Cathartesaura, Chadititan, Choconsaurus, Chromogisaurus, Chubutisaurus, Chucarosaurus, Coloradisaurus, Comahuesaurus, Condorraptor, Deferrariischnium, Drusilasaura, Ekrixinatosaurus, Epachthosaurus, Futalognkosaurus, Gasparinisaura, Genyodectes, Grallator, Gualicho, Hadrosaurichnus, Hadrosauropodus, Huallasaurus, Huinculsaurus, Ilokelesia, Inawentu, Ingentia, Isaberrysaura, Jakapil, Joaquinraptor, Kaijutitan, Kank, Katepensaurus, Kelumapusaura, Laplatasaurus, Lavocatisaurus, Leinkupal, Leonerasaurus, Lessemsaurus, Leyesaurus, Ligabueino, Limaysaurus, Lucianovenator, Macrogryphosaurus, Mahuidacursor, Malarguesaurus, Megaloolithus, Mendozasaurus, Menucocelsior, Murusraptor, Mussaurus, Muyelensaurus, Narambuenatitan, Neuquenraptor, Neuquensaurus, Niebla, Ninjatitan, Noasaurus, Nopcsaspondylus, Notoceratops, Notocolossus, Notohypsilophodon, Nullotitan, Orkoraptor, Overoraptor, Overosaurus, Pamparaptor, Panamericansaurus, Panphagia, Patagopelta, Patagosaurus, Pellegrinisaurus, Petrobrasaurus, Piatnitzkysaurus, Picunichnus, Pilmatueia, Pitekunsaurus, Powellvenator, Puertasaurus, Punatitan, Quetecsaurus, Quilmesaurus, Rayososaurus, Rinconsaurus, Riojasaurus, Rocasaurus, Salfitichnus, Sarmientichnus, Secernosaurus, Sektensaurus, Sidersaura, Skorpiovenator, Talenkauen, Tehuelchesaurus, Teratopodus, Tetrasauropus, Therangospodus, Titanopodus, Tratayenia, Traukutitan, Tridigitichnus, Tyrannotitan, Unenlagia, Unquillosaurus, Velocisaurus, Viavenator, Volkheimeria, Xenotarsosaurus, Zapalasaurus, Zupaysaurus.

Prehistoric birds (96 genera)

Psilopterus, Phorusrhacos, Palaeospheniscus, Rhea, Eudromia, Nothura, Brontornis, Paraptenodytes, Opisthodactylus, Patagornis, Fulica, Argentavis, Chunga, Procariama, Macranhinga, Dendrocygna, Devincenzia, Physornis, Andrewsornis, Dryornis, Thegornis, Phalacrocorax, Spatula, Anhinga, Andalgalornis, Vultur, Megapaloelodus, Arthrodytes, Telmabates, Phoenicopterus, Anas, Buteo, Ciconia, Larus, Grus, Numenius, Asio, Porphyrio, Mycteria, Plegadis, Crypturellus, Mareca, Milvago, Kelenken, Palaeeudyptes, Palaelodus, Heterorhea, Lamarqueavis, Patagorhacos, Hinasuri, Cruschedula, Madrynornis, Ankonetta, Avipeda, Cladornis, Vinchinavis · 40 more genera recorded.

Pterosaurs (10 genera)

Pterodaustro, Wenupteryx, Aerotitan, Herbstosaurus, Allkaruen, Melkamter, Pachagnathus, Pteraichnus, Yelaphomte · 1 more genera recorded.

Ichthyosaurs (9 genera)

Ophthalmosaurus, Platypterygius, Caypullisaurus, Mollesaurus, Ichthyosaurus · 4 more genera recorded.

Plesiosaurs & kin (11 genera)

Sulcusuchus, Kawanectes, Pliosaurus, Aristonectes, Muraenosaurus, Tuarangisaurus, Maresaurus, Chubutinectes, Argentinonectes, Liopleurodon · 1 more genera recorded.

Mosasaurs (4 genera)

Prognathodon, Mosasaurus · 2 more genera recorded.

Crocodile relatives (66 genera)

Caiman, Sebecus, Notosuchus, Purussaurus, Sillosuchus, Barinasuchus, Paranacaiman · 59 more genera recorded.

Early tetrapods & amphibians (6 genera)

Pelorocephalus, Promastodonsaurus · 4 more genera recorded.

Pre-mammals (synapsids) (24 genera)

Kannemeyeria, Diegocanis, Cynognathus · 21 more genera recorded.

Early mammals (1 genera)

1 more genera recorded.

Ice Age & later mammals (880 genera)

Protypotherium, Paedotherium, Glyptodon, Acarechimys, Notiomastodon, Notostylops, Perimys, Lama, Hapalops, Pleurostylodon, Cladosictis, Neosclerocalyptus, Scelidotherium, Toxodon, Proterotherium, Prozaedyus, Ctenomys, Megatherium, Proeutatus, Stenotatus, Tremacyllus, Adinotherium, Proscelidodon, Trigonostylops, Panochthus, Sipalocyon, Notopithecus, Nesodon, Interatherium, Hippidion, Henricosbornia, Equus, Astrapotherium, Peltephilus, Eutatus, Isotemnus, Pseudotypotherium, Macroeuphractus, Hemihegetotherium, Steiromys, Glossotherium, Tetramerorhinus, Tetrastylus, Eocardia, Hegetotherium, Proeuphractus, Eosclerocalyptus, Oldfieldthomasia, Lestodon, Archaeopithecus, Scleromys, Mylodon, Homunculus, Periphragnis, Chaetophractus, Xotodon, Eucholoeops, Microcavia, Reithrodon, Didolodus, Thomashuxleya, Albertogaudrya, Pseudhyrax, Pachyrukhos, Scelidodon, Plohophorus, Macrauchenia, Theosodon, Cyonasua, Catonyx, Pampatherium, Argyrohyrax, Typotheriopsis, Dolichotis, Tolypeutes, Platygonus, Hemiauchenia, Mesotherium, Stegotherium, Promacrauchenia, Prohegetotherium, Smilodon, Thylamys, Thoatherium, Myocastor, Archaeohyrax, Eohyrax, Lutreolina, Morenelaphus, Trachytherus, Lycalopex, Galea, Eleutherocercus, Vassallia, Doedicurus, Argyrolagus, Anisolambda, Ernestokokenia, Thylacosmilus, Homalodotherium, Pyrotherium, Parastrapotherium, Nematherium, Brachytherium, Prosqualodon, Eomorphippus, Transpithecus, Cochlops, Eoauchenia, Eoviscaccia, Cavia, Propalaehoplophorus, Astraponotus, Thylophorops, Machlydotherium, Neobrachytherium, Coscinocercus, Phlyctaenopyga, Didelphis, Abrocoma, Phoberomys, Protocyon, Leontinia, Othnielmarshia, Kraglievichia, Caviodon, Progaleopithecus, Arctotherium, Puelia, Rhynchippus, Archaeotypotherium, Colpodon, Eopachyrucos, Rhyphodon, Scalabrinitherium, Neuryurus, Lomaphorus, Propyrotherium, Necromys, Hoplophorus, Theriodictis, Pelecyodon, Diplasiotherium, Eumegamys, Prosotherium, Santiagorothia, Ultrapithecus, Acrocyon, Asmithwoodwardia, Mcdonaldocnus, Hydrochoerus, Lycopsis, Palaeolama, Arminiheringia, Protamandua, Paginula, Colbertia, Patene, Peripantostylops, Hondonadia, Ortotherium, Pisanodon, Oligoryzomys, Carodnia, Proborhyaena, Neolicaphrium, Cochilius, Cramauchenia, Groebertherium, Pharsophorus, Ancylocoelus, Acyon, Pronothrotherium, Hegetotheriopsis, Perathereutes, Saurocetes, Stromaphorus, Trachycalyptus, Puma, Dasypus, Holmesina, Necrolestes, Neochoerus, Telicomys, Scarrittia, Prepotherium, Reigitherium, Anisolophus, Argyrohippus, Paulogervaisia, Proadinotherium, Acoelodus, Astegotherium, Megathericulus, Notocetus, Polymorphis, Australoprocta, Incamys, Mendozahippus, Picturotherium, Pseudonotictis, Schismotherium, Urotherium, Proargyrohyrax, Rosendo, Stegosimpsonia, Marmosa, Philander, Kentriodon, Chrysocyon, Magallanodon, Asmodeus, Coloniatherium, Edvardotrouessartia, Simpsonotus, Windhausenia, Cullinia, Deuterotherium, Lambdaconus, Medistylus, Octodontotherium, Proadiantus, Proectocion, Punahyrax, Teratopithecus, Borhyaenidium, Nemolestes, Palyeidodon, Isostylomys, Pseudoacaremys, Saremmys, Lepus, Mammut, Leopardus, Balaenoptera, Galictis, Arctocephalus, Coendou, Clyomys, Mormopterus, Scapteromys, Stegomastodon, Aglaocetus, Dioplotherium, Neotamandua, Sudamerica, Hondalagus, Nothrotherium, Patagorhynchus, Promegatherium, Scirrotherium, Antofagastia, Astrapothericulus, Coquenia, Kelenkura, Notohippus, Pampatemnus, Tonnicinctus, Adiantoides, Archaeomylodon, Bonapartherium, Callistoe, Carolozittelia, Clenia, Epipeltephilus, Glyptatelus, Guiomys, Paratrigodon, Prepoplanops, Scaglia, Xesmodon, Ischyrorhynchus, Liarthrus, Macraucheniopsis, Phoberodon, Pternoconius, Riostegotherium, Simomylodon, Tricoelodus, Wainka, Nonotherium, Notoetayoa, Stylocynus, Homo, Felis, Cervus, Tursiops, Eubalaena, Lontra, Hyperoodon, Berardius, Hippocamelus, Desmodus, Euneomys, Livyatan, Thalassocnus, Chapalmalania, Cronopio, Monotrematum, Metaxytherium, Mixotoxodon, Nothrotheriops, Asfaltomylos, Aulophyseter, Epidolops, Palaeomyrmidon, Vincelestes, Argentoconodon, Eoastrapostylops, Idiorophus, Patagosmilus, Propachyrucos, Allalmeia, Altitypotherium, Asterostemma, Eurygenium, Leonardus, Morenocetus, Morphippus, Orretherium, Patagonia, Peligrotherium, Plesiotypotherium, Protheosodon, Ribodon, Adianthus, Aenocyon, Archaeogaia, Boleatherium, Cocatherium, Comaphorus, Coniopternium, Dolichostylodon, Elmerriggsia, Griphotherion, Hapaloides, Martinmiguelia, Octomylodon, Patriarchus, Pitheculites, Prolicaphrium, Protoglyptodon, Saltaodus, Trapalcotherium, Comahuetherium, Guilielmofloweria, Maddenia, Mesopotamocnus, Nothropus, Proschismotherium, Punatherium, Sparnotheriodon, Amilnedwardsia, Angelocabrerus, Apeirodon, Argentodites, Chasicobradys, Greniodon, Orthoarthrus, Pardinamys, Tetragonostylops, Teushentherium, Thoatheriopsis, Zeballothentes, Notoziphius · 515 more genera recorded.

Ancient fish & sharks (50 genera)

Carcharodon, Otodus, Carcharoides · 47 more genera recorded.

Ammonites & nautiloids (250 genera)

Hecticoceras, Baculites, Laevaptychus, Orthoceras, Dactylioceras · 245 more genera recorded.

Trilobites & sea scorpions (159 genera)

Ampyx, Calymene, Brongniartella, Raphiophorus · 155 more genera recorded.

Ediacaran & Cambrian life (99 genera)

Olenellus, Salterella · 97 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).