Roar into the Past
Explore the most comprehensive database of prehistoric life.
Acrocanthosaurus
Acrocanthosaurus was a massive theropod known for the high neural spines running along its back, mak...
Early Cretaceous (113-110 million years ago)Albertosaurus
A sleeker, faster cousin of the Tyrannosaurus Rex, Albertosaurus was the apex predator of the Canadi...
Late Cretaceous (71-68 million years ago)Allosaurus
Allosaurus was the top predator of the Jurassic period, often referred to as the 'lion of the Jurass...
Late Jurassic (155-145 million years ago)Amargasaurus
Amargasaurus was a unique sauropod with two parallel rows of long spines running down its neck and b...
Early Cretaceous (129-122 million years ago)Ankylosaurus
Ankylosaurus was a heavily armored dinosaur, often described as a 'living tank' due to its thick bon...
Late Cretaceous (68-66 million years ago)Apatosaurus
Apatosaurus, once known as Brontosaurus, was a massive long-necked sauropod that roamed North Americ...
Late Jurassic (152-151 million years ago)Archaeopteryx
Archaeopteryx is considered the 'missing link' between dinosaurs and birds, showing characteristics ...
Late Jurassic (150 million years ago)Argentavis
The largest flying bird ever discovered, with a wingspan of 7 meters that dwarfed all modern birds....
Late MioceneArgentinosaurus
Argentinosaurus was possibly the largest land animal to ever exist, weighing as much as 10 elephants...
Late Cretaceous (97-93 million years ago)Atrociraptor
Atrociraptor, the 'Savage Robber', was a dromaeosaur with a unusually short, deep snout, suggesting ...
Late Cretaceous (68 million years ago)Attenborosaurus
Named after Sir David Attenborough, this marine reptile was a pliosaur with a remarkably long neck. ...
Early Jurassic (195 million years ago)Australovenator
Australovenator, the 'Southern Hunter', is Australia's most complete predatory dinosaur. Nicknamed '...
Late Cretaceous (95 million years ago)Bajadasaurus
Bajadasaurus pronuspinax, the 'Lizard from Bajada with Forward-Spines', is famous for its bizarre mo...
Early Cretaceous (140 million years ago)Baryonyx
Baryonyx was a fish-eating dinosaur known for its massive thumb claw and crocodile-like skull....
Early Cretaceous (130-125 million years ago)Basilosaurus
An ancient whale that resembled a sea serpent, Basilosaurus was one of the first fully aquatic whale...
Late Eocene (41-35 million years ago)Borealopelta
Known as the 'Sleeping Dragon', Borealopelta markmitchelli is one of the most incredible fossils eve...
Early Cretaceous (110 million years ago)Brachiosaurus
Brachiosaurus was a giant sauropod known for its extremely long neck and giraffe-like posture....
Late Jurassic (154-150 million years ago)Brontosaurus
The 'Thunder Lizard' is back! Once thought to be the same as Apatosaurus, Brontosaurus has been decl...
Late Jurassic (156-146 million years ago)Camarasaurus
Camarasaurus was the most common sauropod of the Late Jurassic Morrison Formation—a robust, no-nonse...
Late Jurassic (155-145 million years ago)Carcharodontosaurus
Carcharodontosaurus, the 'Shark-Toothed Lizard,' was a gigantic carnivorous dinosaur that rivaled T-...
Late Cretaceous (100-94 million years ago)Carnotaurus
Carnotaurus was a unique theropod with distinctive horns above its eyes and extremely short arms, ev...
Late Cretaceous (72-69 million years ago)Cearadactylus
Cearadactylus atrox is a terrifying pterosaur known for its 'kinked' jaw and interlocking teeth. It ...
Early Cretaceous (110 million years ago)Ceratosaurus
Ceratosaurus was a unique predator with a prominent nasal horn and armor-like scutes along its back....
Late Jurassic (153-148 million years ago)Chasmosaurus
Chasmosaurus, meaning 'opening lizard,' was a ceratopsian dinosaur famous for its enormous rectangul...
Late Cretaceous (76-73 million years ago)Coelodonta (Woolly Rhinoceros)
The Woolly Rhinoceros was an Ice Age giant that roamed the frozen steppes alongside mammoths, armed ...
PleistoceneCoelophysis
Coelophysis was one of the earliest dinosaurs, a nimble and lightweight predator that hunted in the ...
Late Triassic (216-203 million years ago)Compsognathus
Compsognathus was one of the smallest known dinosaurs, about the size of a chicken, but a fierce pre...
Late Jurassic (150 million years ago)Concavenator
Concavenator is a unique carcharodontosaurid from Spain, famous for the bizarre hump on its back and...
Early Cretaceous (130 million years ago)Crichtonsaurus
An armored ankylosaur from China named after Jurassic Park author Michael Crichton, featuring body a...
Late Cretaceous (95-89 million years ago)Corythosaurus
Corythosaurus was a gentle giant of the Cretaceous, a duck-billed dinosaur famous for the magnificen...
Late Cretaceous (77-75 million years ago)Cryolophosaurus
Cryolophosaurus, the 'Cold Crest Lizard,' is famous for the pompadour-like crest on its head, earnin...
Early Jurassic (190 million years ago)Daeodon
Known as the 'Hell Pig,' Daeodon was a terrifying entelodont with bone-crushing jaws that dominated ...
Late Oligocene to Early Miocene (29-19 million years ago)Daspletosaurus
Daspletosaurus was a powerfully built tyrannosaur that combined bone-crushing jaws with a surprising...
Late Cretaceous (77-74 million years ago)Deinocheirus
Deinocheirus (meaning 'Terrible Hand') was a mysterious giant for 50 years, known only by its massiv...
Late Cretaceous (70 million years ago)Deinonychus
Deinonychus was a fierce predator with a deadly sickle claw on each foot. This intelligent pack hunt...
Early CretaceousDeinosuchus
Deinosuchus, the "terrible crocodile," was a gigantic alligatoroid that terrorized the waterways of ...
Late CretaceousDilophosaurus
Dilophosaurus is easily recognized by the pair of rounded crests on its skull, used for display rath...
Early Jurassic (193 million years ago)Dimetrodon
Dimetrodon is famous for the large sail on its back. Often mistaken for a dinosaur, it is actually a...
Early Permian (295-272 million years ago)Dimorphodon
Dimorphodon is the 'toothed ball' flying reptile that swarmed tourists in *Jurassic World*. It had a...
Early Jurassic (195 million years ago)Diplodocus
Diplodocus was a long-necked dinosaur with a whip-like tail, known for its massive length and relati...
Late Jurassic (154-152 million years ago)Dire Wolf (Aenocyon dirus)
The dire wolf was a powerful Ice Age predator, larger and heavier than modern grey wolves, made famo...
Pleistocene (250,000-10,000 years ago)Dracorex
Dracorex hogwartsia, the 'Dragon King of Hogwarts', looks exactly like a fairy-tale dragon. However,...
Late Cretaceous (66 million years ago)Dreadnoughtus
Dreadnoughtus, meaning 'Fears Nothing', was a colossal titanosaur. It is one of the most complete su...
Late Cretaceous (77 million years ago)Dryosaurus
Dryosaurus was a fleet-footed herbivore of the Jurassic, relying on its incredible speed and agility...
Late Jurassic (155-145 million years ago)Dunkleosteus
Dunkleosteus was not a dinosaur, but a hyper-carnivorous tank. It was a 20-foot armored fish with se...
Late Devonian (360 million years ago)Edmontosaurus
Edmontosaurus was a massive duck-billed dinosaur that roamed in herds, famous for being the primary ...
Late Cretaceous (73-66 million years ago)Elasmosaurus
Elasmosaurus is the quintessential long-necked marine reptile. With a neck that made up half its tot...
Late Cretaceous (80 million years ago)Eoraptor
Eoraptor is one of the earliest known dinosaurs, a small and primitive predator from the dawn of the...
Late Triassic (231-228 million years ago)Euoplocephalus
Euoplocephalus was a walking tank, heavily armored from head to tail and equipped with a bone-shatte...
Late Cretaceous (76-70 million years ago)Gallimimus
Gallimimus was one of the fastest dinosaurs, capable of running up to 60 km/h. This ostrich-like omn...
Late CretaceousGeosternbergia
Often confused with Pteranodon, Geosternbergia had one of the most spectacular crests of any pterosa...
Late Cretaceous (85 million years ago)Giganotosaurus
Giganotosaurus was one of the largest meat-eating dinosaurs, larger even than the T-Rex. It hunted m...
Late Cretaceous (99.6–97 million years ago)Gigantoraptor
Gigantoraptor is the largest known oviraptorosaur, a colossal bird-like dinosaur that challenges our...
Late Cretaceous (85 million years ago)Gorgosaurus
Gorgosaurus was a fearsome tyrannosaur that ruled the river plains of Late Cretaceous Alberta millio...
Late Cretaceous (76-73 million years ago)Gigantspinosaurus
Gigantspinosaurus was a remarkable stegosaur from Late Jurassic China, famous for possessing the lar...
Late Jurassic (160-155 million years ago)Guanlong
Guanlong, the 'Crown Dragon', was a primitive tyrannosauroid with a spectacular crest. It shows us t...
Late Jurassic (160 million years ago)Hadrosaurus
Hadrosaurus foulkii was the first nearly complete dinosaur skeleton ever found in North America and ...
Late Cretaceous (80-78 million years ago)Halszkaraptor
A bizarre amphibious raptor with a swan-like neck and flipper-like arms that could swim and hunt fis...
Late Cretaceous (75-71 million years ago)Herrerasaurus
Herrerasaurus was one of the earliest dinosaurs to walk the Earth. This agile predator lived during ...
Late TriassicHomalocephale
Homalocephale, the 'flat-headed' dinosaur, was a unique pachycephalosaur known for its wide hips and...
Late Cretaceous (70 million years ago)Ichthyosaurus
Ichthyosaurus was a dolphin-like marine reptile that lived during the Early Jurassic. Discovered by ...
Early Jurassic (200-190 million years ago)Iguanodon
Iguanodon is a scientific pioneer—the second dinosaur ever named. It is famous for the large, sharp ...
Early Cretaceous (126-125 million years ago)Indominus Rex
The Indominus Rex is a fictional genetic hybrid dinosaur from *Jurassic World*. Created from the DNA...
Modern Holocene (2015 - Fictional)Indoraptor
The Indoraptor is the terrifying 'super-hybrid' from *Jurassic World: Fallen Kingdom*. Designed as a...
Modern Holocene (2018 - Fictional)Irritator
Irritator is a Brazilian spinosaurid whose name reflects the frustration paleontologists experienced...
Early Cretaceous (110-100 million years ago)Jakapil
Jakapil kaniukura, meaning 'Shield Bearer', is a bizarre little dinosaur. It was an armored, bipedal...
Late Cretaceous (95 million years ago)Kaprosuchus
Kaprosuchus saharicus, the 'Boar Crocodile', was a terrestrial crocodile with long legs and tusk-lik...
Late Cretaceous (95 million years ago)Kentrosaurus
Kentrosaurus was a heavily armored relative of Stegosaurus, covered in long, defensive spikes....
Late Jurassic (152 million years ago)Kronosaurus
named after Kronos, the titan who ate his own children, Kronosaurus was the 'T-Rex of the Seas'. It ...
Early Cretaceous (120 million years ago)Lambeosaurus
Lambeosaurus was a massive duck-billed dinosaur distinguished by its unique hatchet-shaped hollow cr...
Late Cretaceous (75 million years ago)Liopleurodon
Liopleurodon was a formidable marine reptile known for its four powerful flippers and excellent sens...
Middle Jurassic (166-155 million years ago)Lystrosaurus
Lystrosaurus was the ultimate survivor. This pig-like dicynodont survived the worst mass extinction ...
Early Triassic (250 million years ago)Maiasaura
Maiasaura, the 'Good Mother Lizard', revolutionized paleontology by proving that dinosaurs were cari...
Late Cretaceous (77 million years ago)Maip
Maip macrothorax, the 'Shadow of Death', is the largest megaraptoran ever discovered. This 10-meter ...
Late Cretaceous (70 million years ago)Majungasaurus
Majungasaurus was the top predator of Madagascar, infamous for being one of the few dinosaurs known ...
Late Cretaceous (70-66 million years ago)Mamenchisaurus
Mamenchisaurus is famous for having the longest neck relative to body size of any dinosaur, with a n...
Late Jurassic (160-145 million years ago)Mammuthus
The Woolly Mammoth (Mammuthus primigenius) is the icon of the Ice Age. Covered in thick fur and arme...
Pleistocene (5 million - 4,000 years ago)Mapusaurus
Mapusaurus, the 'Earth Lizard', was a gigantic carcharodontosaurid that may have hunted the colossal...
Late Cretaceous (97-93 million years ago)Megalosaurus
Megalosaurus is the most important dinosaur in history for one reason: it was the very first dinosau...
Middle Jurassic (166 million years ago)Megalodon
Megalodon was the largest shark to ever live, a 50-ton ocean predator with teeth the size of a human...
Neogene (23-3.6 million years ago)Megaraptor
Megaraptor is a confusing and terrifying predator defined by one feature: a massive, 35-cm long sick...
Late Cretaceous (90-84 million years ago)Megatherium
Megatherium was a giant ground sloth the size of an elephant, one of the largest land mammals to eve...
Pliocene to Pleistocene (5 million - 10,000 years ago)Meraxes
Named after a dragon from George R.R. Martin's 'A Song of Ice and Fire', Meraxes gigas was a colossa...
Late Cretaceous (95 million years ago)Metriacanthosaurus
A medium-sized theropod from England, Metriacanthosaurus is famous for its brief appearance in Juras...
Middle JurassicMicroceratus
Microceratus, formerly known as Microceratops, is one of the smallest ceratopsians. This tiny herbiv...
Late Cretaceous (90 million years ago)Microraptor
Microraptor was a tiny, four-winged dinosaur that provides a crucial link between dinosaurs and bird...
Early Cretaceous (120 million years ago)Minmi
Minmi is one of the most complete dinosaurs from Australia. This small armored tank had a unique 'ba...
Early Cretaceous (120-112 million years ago)Monolophosaurus
A distinctive theropod from Jurassic China, Monolophosaurus is famous for the single, hollow crest r...
Middle JurassicMononykus
Mononykus olecranus, the 'One Claw', is a tiny, bird-like dinosaur famous for having only a single l...
Late Cretaceous (70 million years ago)Moros intrepidus
Moros intrepidus was one of the smallest known tyrannosaur relatives, a tiny predator that reveals h...
Late Cretaceous (96 million years ago)Mosasaurus
Mosasaurus was a massive marine reptile that ruled the oceans during the Late Cretaceous, often call...
Late Cretaceous (82-66 million years ago)Muttaburrasaurus
Muttaburrasaurus is one of the most complete dinosaurs ever found in Australia—a large ornithopod wi...
Early Cretaceous (103-95 million years ago)Nanuqsaurus
The 'Polar Bear Lizard', Nanuqsaurus hoglundi, was a tyrannosaur that lived in the Arctic Circle. It...
Late Cretaceous (69 million years ago)Nigersaurus
Nigersaurus, the 'Mesozoic Cow', is famous for its bizarre wide mouth containing over 500 teeth, des...
Early Cretaceous (115-105 million years ago)Nasutoceratops
A distinctive ceratopsian known for its bull-like horns and large nose, Nasutoceratops roamed the sw...
Late CretaceousNodosaurus
Nodosaurus was the original armored dinosaur that gave its name to the entire nodosauridae family, f...
Late Cretaceous (98-96 million years ago)Olorotitan
Olorotitan, the 'Giant Swan,' was a spectacular lambeosaurine hadrosaur with an elaborate hatchet-sh...
Late Cretaceous (70-66 million years ago)Ornithomimus
Ornithomimus was a fleet-footed, ostrich-like dinosaur that combined blazing speed with a surprising...
Late Cretaceous (76-66 million years ago)Ouranosaurus
An unusual iguanodontian from Africa, Ouranosaurus is famous for the tall neural spines forming a sa...
Early CretaceousOviraptor
Oviraptor, the misunderstood egg thief, was actually a caring parent protecting its own eggs. This f...
Late CretaceousPachycephalosaurus
Pachycephalosaurus was the largest of the bone-headed dinosaurs—a bipedal herbivore crowned with a d...
Late Cretaceous (70-66 million years ago)Pachyrhinosaurus
Pachyrhinosaurus, the 'Thick-Nosed Lizard', traded horns for a massive bony boss on its nose, making...
Late Cretaceous (70 million years ago)Paraceratherium
The largest land mammal that ever lived, a hornless rhinoceros relative that towered over the Oligoc...
Oligocene (34-23 million years ago)Parasaurolophus
Parasaurolophus is famous for its long, tube-like crest on its head, which it used for communication...
Late Cretaceous (76-73 million years ago)Pentaceratops
Pentaceratops bore one of the largest skulls of any land animal in Earth's history—a massive, elabor...
Late Cretaceous (76-73 million years ago)Patagotitan
Patagotitan is a contender for the largest land animal of all time. This colossal titanosaur shook t...
Late Cretaceous (101 million years ago)Plateosaurus
Plateosaurus, the 'Broad Lizard', was one of the very first large dinosaurs. A precursor to the gian...
Late Triassic (214-204 million years ago)Plesiosaurus
Plesiosaurus is the classic marine reptile with a long neck and four flippers, often cited as the in...
Early Jurassic (199-175 million years ago)Proceratosaurus
A small but significant predator, Proceratosaurus is one of the earliest known relatives of the migh...
Middle JurassicProtoceratops
Protoceratops, the 'First Horned Face', was a sheep-sized dinosaur famous for its large neck frill a...
Late Cretaceous (75-71 million years ago)Polacanthus
Polacanthus was a heavily armored and spiky dinosaur from the Isle of Wight, featuring rows of large...
Early Cretaceous (130-125 million years ago)Psittacosaurus
Psittacosaurus, the 'Parrot Lizard', is one of the most well-understood dinosaurs ever found. It was...
Early Cretaceous (126-101 million years ago)Pteranodon
Pteranodon was one of the largest flying reptiles, with a massive wingspan and a distinctive head cr...
Late Cretaceous (86-84 million years ago)Qianzhousaurus
Known by its nickname 'Pinocchio Rex', Qianzhousaurus sinensis was a long-snouted tyrannosaur from C...
Late Cretaceous (66 million years ago)Quetzalcoatlus
Named after the Aztec god, Quetzalcoatlus was the largest flying animal of all time, a giraffe-sized...
Late Cretaceous (68-66 million years ago)Pyroraptor
Pyroraptor, the 'Fire Thief', was a small, bird-like dromaeosaur discovered after a forest fire in F...
Late Cretaceous (70 million years ago)Sarcosuchus
Sarcosuchus, also known as 'SuperCroc', was a gigantic crocodile twice the length of a modern saltwa...
Early Cretaceous (112 million years ago)Sauropelta
Sauropelta, meaning 'lizard shield,' was one of the largest and best-known nodosaurs, equipped with ...
Early Cretaceous (115-108 million years ago)Saurophaganax
Saurophaganax, the 'Lizard-Eating Master', was a colossal predator of the Jurassic, possibly a giant...
Late Jurassic (150 million years ago)Sauroposeidon
Sauroposeidon was one of the tallest and most massive dinosaurs ever discovered—a towering brachiosa...
Early Cretaceous (112-110 million years ago)Scorpios Rex
The Scorpios Rex was the first hybrid dinosaur ever created. Highly unstable, venomous, and unpredic...
Modern Holocene (2015 - Fictional)Sinoceratops
Sinoceratops is famous for being the first large ceratopsian discovered in China. It gained worldwid...
Late Cretaceous (73 million years ago)Sinosauropteryx
Sinosauropteryx was the first dinosaur scientifically confirmed to have had feathers, revolutionizin...
Early Cretaceous (124-122 million years ago)Smilodon
The most famous prehistoric mammal, Smilodon (the Saber-Toothed Tiger) was a muscular predator with ...
Pleistocene (2.5 million - 10,000 years ago)Spinosaurus
Spinosaurus was the largest of all known carnivorous dinosaurs, even larger than T. Rex, and was hig...
Late Cretaceous (99-93 million years ago)Struthiomimus
Struthiomimus, the 'Ostrich Mimic', was one of the fastest dinosaurs of the Late Cretaceous. With it...
Late Cretaceous (76-66 million years ago)Stegosaurus
Stegosaurus is famous for the double row of armor plates along its back and its spiked tail....
Late Jurassic (155-150 million years ago)Stygimoloch
Stygimoloch, often appearing as 'Stiggy' in movies, is a small pachycephalosaur known for its crown ...
Late Cretaceous (66 million years ago)Styracosaurus
Styracosaurus was a spectacular horned dinosaur with a crown of long spikes radiating from its frill...
Late CretaceousSuchomimus
A massive spinosaurid with a crocodile-like snout, Suchomimus was a master fisherman of the African ...
Early CretaceousSupersaurus
Supersaurus was one of the longest dinosaurs ever discovered—a colossal sauropod that stretched over...
Late Jurassic (153-145 million years ago)Tapejara
Tapejara wellnhoferi is unmistakable due to its massive, sail-like head crest. This Brazilian pteros...
Early Cretaceous (110 million years ago)Tyrannosaurus Rex
The Tyrannosaurus rex, often called T. rex, is one of the most well-known and fearsome dinosaurs. A ...
Late Cretaceous (68-66 million years ago)Tarbosaurus
Tarbosaurus was the largest tyrannosaur in Asia and a close relative of Tyrannosaurus Rex. Known as ...
Late Cretaceous (70-65 million years ago)Terror Bird (Phorusrhacos)
Giant flightless predatory birds that were apex predators of South America, terror birds had massive...
Miocene to Pleistocene (23 million - 1.8 million years ago)Thanos
Named after the Marvel supervillain, Thanos simonattoi was a robust abelisaurid predator from Brazil...
Late Cretaceous (83 million years ago)Therizinosaurus
Therizinosaurus, the 'Scythe Lizard,' is famous for having the longest claws of any animal in histor...
Late Cretaceous (70 million years ago)Titanoboa
Titanoboa is the largest snake that ever lived. Weighing over a ton, it slithered through the tropic...
Paleocene (60-58 million years ago)Torosaurus
Torosaurus possessed the largest skull of any known land animal, with a magnificent frill stretching...
Late Cretaceous (68-66 million years ago)Torvosaurus
Torvosaurus, the 'Savage Lizard', was one of the largest predators of the Jurassic, a heavily built ...
Late Jurassic (150 million years ago)Triceratops
Triceratops is one of the most recognizable dinosaurs, famous for its three horns and massive bony f...
Late Cretaceous (68-66 million years ago)Tsintaosaurus
Tsintaosaurus, the 'Unicorn Dinosaur,' was a lambeosaurine hadrosaur famous for its unusual forward-...
Late Cretaceous (76-70 million years ago)Tropeognathus
Tropeognathus mesembrinus was the giant of the Brazilian skies. This massive pterosaur had a unique ...
Early Cretaceous (110 million years ago)Troodon
Troodon is famous for being the 'smartest dinosaur' due to its large brain size. A small, agile hunt...
Late Cretaceous (77-76 million years ago)Tylosaurus
Tylosaurus was one of the largest mosasaurs and a dominant apex predator of the Late Cretaceous seas...
Late Cretaceous (85-80 million years ago)Utahraptor
The Utahraptor is the largest known member of the dromaeosaurid family. A fierce predator with a mas...
Early Cretaceous (126-125 million years ago)Yutyrannus
Yutyrannus, the 'Beautiful Feathered Tyrant', is the largest dinosaur known to preserve direct evide...
Early Cretaceous (125 million years ago)Velociraptor
Velociraptor was a small but deadly predator, known for its intelligence and sickle-shaped claws....
Late Cretaceous (75-71 million years ago)Yangchuanosaurus
Yangchuanosaurus was the 'Allosaurus of Asia', a massive apex predator that ruled the Chinese Jurass...
Late Jurassic (160 million years ago)Zuul
Named after the 'Gatekeeper of Gozer' from Ghostbusters, Zuul crurivastator is one of the most compl...
Late Cretaceous (75 million years ago)