Welcome to DINOPEDIA

Your Gateway To The Jurassic World

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Abelisaurus

As only the skull is known, it has proven difficult to provide a reliable size estimate of Abelisaurus. It has transpired that abelisaurids have relatively short heads.

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Achelousaurus

Adult Achelousaurus had rough bosses (roundish protuberances) above the eyes and on the snout where other centrosaurines often had horns in the same position.

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Achillobator

It was probably an active bipedal predator, hunting with the large sickle-shaped claw on the second toe of each hind foot.

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Adasaurus

Like Velociraptor dinosaurs, it was bipedal with a big, sickle-like claw on each foot.

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Alamosaurus

A gigantic quadrupedal herbivore with along neck and tail and relatively long limbs.

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Albertosaurus

Tyrannosaurid forelimbs were extremely small for their body size and retained only two digits.

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Alectrosaurus

Alectrosaurus was a very fast running tyrannosauroid as indicated by the elongated hindlimbs that likely filled the niche of a pursuit predator, a trait that seems to be lost by the advanced and robust tyrannosaurids.

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Allosaurus

The skull had a pair of horns above and in front of the eyes. The horns were probably covered in a keratin sheath and may have had a variety of functions, including acting as sunshades for the eye, being used for display, and being used in combat against other members of the same species.

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Amargasaurus

Some paleontologists have postulated that this dinosaur may have actually had a sail that grew out of its back. If it did, then it would have been used to make the dinosaur look better, for regulation of body temperature or maybe even used for mating rituals.

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Ankylosaurus

Ankylosaurus was the largest member of its family.

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Apatosaurus

Less elongated and more heavily constructed than those of Diplodocus.

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Archaeoceratops

It appears to have been bipedal and quite small with comparatively large head.

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Archaeopteryx

Bird-like dinosaurs that is transitional between non-avian feathered dinosaurs and modern birds.

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Aurochs

An extinct species of large wild cattle that inhabited Asia, Europe, and North Africa. It is the ancestor of domestic cattle. The species survived in Europe until 1627, when the last recorded aurochs died in the Jaktorów Forest, Poland.

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Bactrosaurus

It was an early relative of Lambeosaurus, and shows a number of iguanodont-like features, including three stacked teeth for each visible tooth, small maxillary teeth, and an unusually powerful build for a hadrosaur.

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Bagaceratops

Although emerging late in the reign of the dinosaurs, Bagaceratops had a fairly primitive anatomy and kept the small body size that characterized early ceratopsians.

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Beipiaosaurus

Before the discovery of Yutyrannus, they were among the largest dinosaurs known from direct evidence to be feathered.

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Borogovia

Only partial hindlimbs of this dinosaur have been found, so reconstructions are speculative. It was named after Lewis Carroll's borogoves from the poem Jabberwocky, published in 1871.

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Brachiosaurus

It have long forelimbs and upward sloping backbone to support the neck.

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Brachylophosaurus

This animal is notable for its bony crest, which forms a flat, paddle-like plate over the top of the skull.

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Bullockornis planei

The bird's skull is larger than that of small horses.

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Carcharodontosaurus

Carcharodontosaurus were carnivores, with enormous jaws and long, serrated teeth up to eight inches long.

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Carnotaurus

Carnotaurus was highly specialized and distinctive. It had thick horns above the eyes, a feature unseen in all other carnivorous dinosaurs, and a very deep skull sitting on a muscular neck. 

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Coelodonta

Coelodonta= from the Greek mean "hollow tooth", in reference to the deep grooves of their molars.

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Coelophysis

Early meat-eating dinosaurs like Coelophysis relied on their speed and agility to catch a variety of animals like insects and small reptiles. The sharp teeth and grasping claws of Coelophysis would have helped them to hold and kill their food.

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Corythosaurus

Corythosaurus is known from many skulls with tall crests. The crests resemble the crests of the cassowary and a Corinthian helmet.

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Cryolophosaurus

The first carnivorous dinosaur to be discovered in Antarctica and the first dinosaur of any kind from the continent to be officially named.

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Daeodon

The type species is Daeodon shoshonensis is the last and largest of entolodonts.

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Deodicurus

Glyptodonts are a member of the family which also includes some modern armadillo species.

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Diamantinasaurus

The only titanosauria to share a ventral keel set within a sharply defined depression under the dorsals.

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Dilophosaurus

It had a pair of longitudinal, plate-shaped crests on its skull, similar to a cassowary with two crests. The function of the crests is unknown; they were too weak for battle, but may have been used in visual display, such as species recognition and sexual selection.

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Dimorphodon

Dimorphodon means "two-form tooth", derived from the Greek δι (di) meaning "two", μορφη (morphe) meaning "shape" and οδων (odon) meaning "tooth", referring to the fact that it had two distinct types of teeth in its jaws – which is comparatively rare among reptiles.

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Diprotodon

The largest known marsupial to have ever existed.

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Dire Wolves

Its teeth were larger with greater shearing ability, and its bite force at the canine tooth was the strongest of any Canis species.

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Dracorex

The name Dracorex means “dragon king” and the only known species of Dracorex is named “hogwartsia” in honor of the Hogwart’s school from the Harry Potter series of novels.

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Dromaeosaurus

The back foot of this dinosaur had a large claw for kicking.

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Elasmotherium

Elasmotherium is thought to have had a keratinous horn, indicated by a circular dome on the forehead. There was likely a large hump of muscle on the back, which is generally thought to have supported a heavy horn.

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Eotyrannus

Primitive characters for Tyrannosauroidea are the elongate neck vertebrae and the long, well-developed arms forelimbs along with the undecorated dorsal surface of the skull, unlike the more advanced tyrannosaurids.

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Erlikosaurus

Erlikosaurus were therizinosaurs, a strange group of theropods that ate plants instead of meat, and that had backward-facing pubises like ornithischians.

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Euoplocephalus

Among the ankylosaurids, Euoplocephalus was exceeded in size only by Ankylosaurus.

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Gallimimus

Gallimimus doesn't have a single tooth in its entire mouth.

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Giant Short-faced bear

One of the largest known terrestrial mammalian carnivores that has ever existed.

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Giganotosaurus

 It is one of the largest known terrestrial carnivores, slightly larger than Tyrannosaurus, but smaller than Spinosaurus.

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Gorgosaurus

Gorgosaurus was smaller than Tyrannosaurus or Tarbosaurus, closer in size to Albertosaurus and Daspletosaurus.

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Homalocephale

The discovery of unusually wide hips leading some paleontologists to believe that the dinosaur gave birth to live young, unlike many dinosaurs that lay eggs.

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Huayangosaurus

Most smallest and earliest stegosaurs.

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Hypsilophodon

Like most small dinosaurs, Hypsilophodon was bipedal: it ran on two legs. Its entire body was built for running. A light-weight, minimized skeleton, low, aerodynamic posture, long legs and stiff tail, immobilised by ossified tendons, for balance: all would have allowed it to travel remarkably fast for its size. 

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Iguanodon

Large thumb spikes used for defense against predators.

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Kentrosaurus

Could swing its tail spikes with skull-cracking speed.

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Lambeosaurus

Notable for the hatchet-shaped hollow bony crest on top of its skull.

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Macrauchenia

Macrauchenia had a somewhat camel-like body, with sturdy legs, a long neck and a relatively small head. Its feet, however, more closely resembled those of a modern rhinoceros, with one central toe and two side toes on each foot.

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Maiasaura

It had a small, spiky crest in front of its eyes. The crest may have been used in headbutting contests between males during the breeding season.

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Majungasaurus

The skull of Majungasaurus is exceptionally well-known compared to most theropods and generally similar to that of other abelisaurids. Like other abelisaurid skulls, its length was proportionally short for its height, although not as short as in Carnotaurus.

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Mammoth

Woolly mammoth (M. primigenius) was the last species of the genus.

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Masiakasaurus

The most distinctive characteristic of Masiakasaurus is the forward-projecting, or procumbent, front teeth.

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Massospondylus

Massospondylus was one amongst the first dinosaurs to be named with a taxonomic history going back as far as the mid nineteenth century.‭

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Megalania

Extinct giant goanna or monitor lizard.

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Megaloceros Giganteus

An extinct species of deer and is one of the largest deer that ever lived.

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Megalochelys Atlas

An extinct species of giant cryptodiran tortoise.

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Metriacanthosaurus

Metriacanthosaurus was a medium-sized theropod with a femur length of 80 cm.

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Microceratus

It walked on two legs, had short front arms, a characteristic ceratopsian frill and beak-like mouth.

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Moeritherium

These prehistoric mammals are related to the elephant and, more distantly, sea cows and hyraxes.

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Nodosaurus

It is thought that without a club on its tail, Nodosaurus would have been left without much in terms of active defenses. When threatened, it probably dropped to the ground so that only its armored back and sides were exposed, much like modern-day hedgehogs.

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Omeisaurus

O. tianfuensis had the longest neck of the genus with 9.1m long.

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Ornithomimus

Ornithomimus looked a lot like a modern ostrich.

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Oviraptor

The curved upper and lower jaws of Oviraptor would have been able to crush even hard objects.

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Pachycephalosaurus

It has the thickest skull among all dinosaur.

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Pachyrhinosaurus

Instead of horns, their skulls bore massive, flattened bosses; a large boss over the nose and a smaller one over the eyes.

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Panoplosaurus

It consists of the complete skull with lower jaws, the cervical vertebrae.

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Paraceratherium

It is one of the largest terrestrial mammals that has existed and lived from the early to late Oligocene epoch. Because of its size, it would have had few predators and a slow rate of reproduction.

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Parasaurolophus

Well-developed arms and strong legs.

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Plateosaurus

Plateosaurus were the first known large herbivores among the dinosaurs.

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Polacanthus

Polacanthus was a medium-sized ankylosaur.

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Protoceratops

Member of the group of early horned dinosaur, however, it was much smaller creature that lacked well-developed horns and retained some basal traits not seen in later genera.

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Psittacosaurus

The species were obligate bipeds at adulthood, with a high skull and a robust beak.

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Pteranodon

Pteranodon had a wingspan of 7 metres (23 feet) or more, and its toothless jaws were very long and pelican-like.

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Qantassaurus

Its feet had claws for traction, and a long tail probably helped with turning, stiffened by ossified tendons.

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Quetzalcoatlus

The largest known flying animal to have ever lived.

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Saber-toothed tiger

Although commonly known as the saber-toothed tiger, it was not closely related to the tiger or other modern cats.

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Savannasaurus

A medium-sized titanosaur.

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Sinornithomimus

Relatively short neck and head for a member of ornithomimid.

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Sinornithosaurus

Non-avian feathered dinosaur.

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Sivatherium

One of the largest giraffid known, and also one of the largest ruminants of all time.

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Spinosaurus

According to recent estimates, Spinosaurus is the largest of all known carnivorous dinosaurs, even larger than Tyrannosaurus rex and Giganotosaurus. 

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Stegoceras

Stegoceras was the first pachycephalosaur to be described.

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Stegosaurus

Tail tipped with spikes.

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Styracosaurus

It had four to six long parietal spikes extending from its neck frill.

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Tapejara

The creature also makes effective use of razor-sharp claws to latch onto surfaces such as the trunks of tall trees, holding its position indefinitely. Warlike tribes appear to consider Tapejara the equivalent of a versatile rotor aircraft, capable of rapid positional changes and aggressive agility.

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Tenontosaurus

Large size long tail herds strength speed senses head

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Thecodontosaurus

Thecodontosaurus also had a much shorter neck when compared to other prosauropodomorphs.

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Therizinosaurus

They had the longest known claws of any land animal reaching up to 1m in length.

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Titanoboa

Titanoboa was vaguely similar to modern-day constrictors, but only it was much larger. In fact, it is the largest species of snake that had ever lived on planet Earth.

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Titanosaurus

Often depicted as a burly sauropod but with a thicker, broader neck and shorter tail.

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Triceratops

Bearing a large bony frill and three horns on the skull.

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Tuojiangosaurus

Tuojiangosaurus had two rows of pointed plates along the spine, which became taller over the hip region.

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Tyrannosaurus Rex

Tyrannosaurus was a bipedal carnivore with a massive skull balanced by a long, heavy tail. Relative to the large and powerful hindlimbs.

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Uintatherium

Its most unusual feature was the skull, which is both large and strongly built, but simultaneously flat and concave: this feature is rare and, apart from some brontotheres, not regularly characteristic of any other known mammal.

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Velociraptor

The swift minnow.

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Yangchuanosaurus

Yangchuanosaurus was a large, powerful meat-eater. It walked on two large, muscular legs, had short arms, a strong, short neck, a big head with powerful jaws, and large, serrated teeth.

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Yunnanosaurus

There were more than sixty spoon shaped teeth in the jaws of Yunnanosaurus, and were unique among prosauropods in that its teeth were self-sharpening because they “[wore] against each other as the animal fed.”