recursal/Fanatic-Fandom huggingface dataset:
Allosaurus

Allosaurus is a genus of large carnosaurian theropod dinosaur that lived 155 to 145 million years ago during the Late Jurassic epoch. The name "*Allosaurus*" means "different lizard" alluding to its unique (at the time of its discovery) concave vertebrae. The first fossil remains that could definitively be ascribed to this genus were described in 1877 by paleontologist Othniel Charles Marsh. As one of the first well-known theropod dinosaurs, it has long attracted attention outside of paleontological circles. *Allosaurus* was a large bipedal predator. Its skull was light, robust and equipped with dozens of sharp, serrated teeth. It averaged 8.5 meters (28 ft) in length, though fragmentary remains suggest it could have reached over 12 m (39 ft). Relative to the large and powerful hindlimbs, its three-fingered forelimbs were small, and the body was balanced by a long and heavily muscled tail. It is classified as an allosaurid, a type of carnosaurian theropod dinosaur. The genus has a complicated taxonomy, and includes three valid species, the best known of which is *A. fragilis*. The bulk of *Allosaurus* remains have come from North America's Morrison Formation, with material also known from Portugal. It was known for over half of the 20th century as *Antrodemus*, but a study of the copious remains from the Cleveland-Lloyd Dinosaur Quarry brought the name "*Allosaurus*" back to prominence and established it as one of the best-known dinosaurs.
Pawpawsaurus

*Pawpawsaurus* was found in the Paw Paw Formation in Tarrant County, Texas, in May 1992, by Cameron Campbell. A complete skull is the only specimen, from which the binomial was named *Pawpawsaurus campbelli*. The Paw Paw Formation has produced another nodosaurid, *Texasetes pleurohalio* (Coombs, 1995), which may prove to be a senior synonym of *Pawpawsaurus*. This is the only nodosaurid known to have possessed the bony eyelids commonly found in ankylosaurids. The skull of *Pawpawsaurus* bears some notable similarities to that of *Silvisaurus*, such as the presence of teeth in the premaxilla and the restriction of the osseous secondary palate to the rostral portion of the palatal region.
Deinocherius

*Deinocheirus* was an unusual ornithomimosaur, the largest of the clade at 11 m (36 ft) long, and weighing 6.4 t (7.1 short tons). Though it was a bulky animal, it had many hollow bones which saved weight. The arms were among the largest of any bipedal dinosaur at 2.4 m (7.9 ft) long, with large, blunt claws on its three-fingered hands. The legs were relatively short, and bore blunt claws. Its vertebrae had tall neural spines that formed a "sail" along its back. Most of the vertebrae and some other bones were highly pneumatised by invading air sacs. The tail ended in pygostyle-like vertebrae, which indicate the presence of a fan of feathers. The skull was 1.024 m (3.36 ft) long, with a wide bill and a deep lower jaw, similar to those of hadrosaurs.
Giganotosaurus vs Iguanodon

The match begins as it pans across both sides of the arena and the Iguanodon and Giganotosaurus are walking on the ledges. The Iguanodon reaches to the edge, it bellows and jumps into the arena. The Giganotosaurus reaches to the edge, roars and jumps into the arena. Both land into the arena and stare at each other. The Giganotosaurus roars and walks towards the Iguanodon. As it's being approached, the Iguanodon gets on all four legs. It makes its move and lunges at its foe, the carnivore dodges it. The giga retaliates as it turns around and tries to use its tail to smack the herbivore, however the Iguanodon dodges the attack by jumping and doing a backflip where it's back at its spot from before. The Giganotosaurus runs towards it but the Iguanodon lunges towards it and manages to uses its thumb spikes and latches itself onto the predator's lower jaw. The herbivore pulls back and releases its thumb spikes as it jumps back, this results in blood spewing onto the Giga's eyes blinding it. The herbivore is on the ground and the predator is having trouble seeing as its eyes are covered in its blood. We see through the carnivore's perspective and the Iguanodon starts running towards it and using its thumb spike, it slashes the Giganotosaurus' left leg. It soon charges from behind and slashes the Giga's right leg which causes it to fall to the ground as it roars in pain. The Iguanodon walks towards the front of the Giganotosaurus, then the Giganotosaurus stands up, shakes its head and regains its vision. The herbivore makes another strike but this time the carnivore turns around uses its tail to stop the ornithopod's attack. The Giganotosaurus bites down on the Iguanodon's tail and moves causing its foe to move as well. Still holding the herbivore's tail with its jaws, the Giganotosaurus starts to spin around, causing the Iguanodon to spin around as well. It spins around a few more times and soon releases its grip from its foe's tail, throwing it to the ground. The Iguanodon gets up and is dizzy from the spinning, the Giganotosaurus runs towards it, and turns to smack the Iguanodon with its tail (the shot is repeated two more times at different angles). The force of the hit causes the Iguanodon to injure itself on the brambles as it bellows in pain. This kills the herbivore and it falls to the ground. The Giga stares at its defeated opponent and roars in victory.
Scansoriopteryx

Scansoriopteryx had some odd features for a little meat eater and they all suggested it climbed trees. It has long front limbs. Its third finger is twice the size of its second finger [in meat eaters the second finger is usually the biggest]. And it had especially strong toe claws. Why would a dinosaur want to live in trees? Treetops would be a safe hideaway from bigger animals. And Scansoriopteryx could find insects in trees. Although Scansoriopteryx couldn’t fly, it was feathered like many other small dinosaurs of its time
Indosuchus

Indosuchus is a genus of abelisaurid dinosaur from the Late Cretaceous Period (70 to 66 million years ago – the Maastrichtian), a theropod related to *Abelisaurus*. Like most theropods, *Indosuchus* was a bipedal carnivore. It was about 7 metres long, weighed about 1.2 tonnes, and had a crested skull, flattened on the top. Other authors estimated it to be 9.7 meters in length and 2.3 tonnes in weight.
Suchomimus vs Bravoceratops

The match begins as Suchomimus makes his entrance he lets out a roar and Bravoceratops makes her entrance she stomps her feet and roars then Suchomimus and Bravoceratops charge at each other Suchomimus claws the Bravoceratops the spinosaurid claws the ceratopsian then he claws her but she throws Suchomimus, Suchomimus is dizzy as he dodges her attack and Bravoceratops hits a tree then she and he both was to each other they both leap in the air Suchomimus claws her back then Bravoceratops shoves her nasal horns she kicks him with her feet then Suchomimus bites her horn latching on instantly, Bravoceratops breaks free then she gets clawed again then she becomes enraged and shoves her horns making him roar in pain then Suchomimus kicks and breaks free and chops Bravoceratops's throat open killing her brutally and instantly then Suchomimus roars in victory.
Hualianceratops

A horned dinosaur just a little bigger than a standard poodle? Meet Hualianceratops. These little plant eaters did not look much like Triceratops and the other giant horned dinosaurs from the end of dinosaur time. Why? Because they didn’t have horns. So how do scientists know they are closely related? Hualianceratops had a parrotlike beak, a common feature of all horned dinosaurs. Hualianceratops shared its habitat with another newly named little dinosaur, Yinlong. The two species are the oldest known horned dinosaurs.
Pachycephalosaurus

Pachycephalosaurus was by far the biggest member of the group of thickhead dinosaurs that are together called pachycephalosaurs. Some lived in Asia, but Pachycephalosaurus roamed the North American West, just like Ankylosaurus did. Like all its cousins, it was a plant eater that walked on its hind legs. Pachycephalosaurus was not as quick as its small relatives, but compared to the giant duckbills and horned dinosaurs in its world, it was quite speedy. And its eyes were set forward in its skull, giving pachycephalosaurs good 3-D vision.
Citipati

Citipati (meaning "funeral pyre lord") is a genus of oviraptorid dinosaur that lived in Asia during the Late Cretaceous period, about 75 million to 71 million years ago. It is mainly known from the Ukhaa Tolgod locality at the Djadokhta Formation, where the first remains were collected during the 1990s. The genus and type species Citipati osmolskae were named and described in 2001. A second species from the adyacent Zamyn Khondt locality may also exist. *Citipati* is one of the best-known oviraptorids thanks to a number of well-preserved specimens, including individuals found in brooding positions atop nests of eggs, though most of them were initially referred to the related *Oviraptor*. These nesting specimens have helped to solidify the link between non-avian dinosaurs and birds.
Siamotyrannus vs Torosaurus

The match begins as Siamotyrannus arrives at the battlefield, walking forward and lets out its roar. The Torosaurus also arrives at the battlefield, walks forward, and lets out its roar before facing the Siamotyrannus. Siamotyrannus walks forwards as Torosaurus roars and charges. Siamotyrannus roars and also charges. it jumps to the side and bites Torosaurus's tail. Torosaurus roars and starts dragging it around the arena. Siamotyrannus won't let go so Torosaurus roars and tries to throw it into a rock. Siamotyrannus puts its foot on the rock and they keep going, this time forwards. Torosaurus throws Siamotyrannus to the edge, causing it to let go. Siamotyrannus stops at the water. Torosaurus charges again. Siamotyrannus looks up and jumps to the side. it pushes Torosaurus with its foot but Torosaurus does not fall into the water. they stare at each other for a few seconds before Torosaurus charges. Siamotyrannus dodges and Torosaurus gets its horns stuck in a rock. it tries to break free but can't. Siamotyrannus charges. Torosaurus notices and breaks free, scraping Siamotyrannus. Torosaurus charges straight after. Siamotyrannus roars and also charges but its feet get stuck on two tiny stones and it slips around for a second. Torosaurus notices and Siamotyrannus accidentally tail-smacks it in the face. it then trips and the stones hit Torosaurus. they land beside each other before they both jump away. Siamotyrannus charges. Torosaurus charges. they stop beside each other and Siamotyrannus kicks Torosaurus onto its back legs. Siamotyrannus kicks it backwards and tries to bite it but Torosaurus kicks it in the face with one of its legs. it then gets Siamotyrannus' neck stuck between its two horns. it then punches Siamotyrannus twice before Siamotyrannus puts its foot on its leg, pushing it away. Siamotyrannus somersaults away as Torosaurus charges. Siamotyrannus dodges and bites its horn. Torosaurus tries to throw Siamotyrannus somewhere but while it was being thrown it side butted Torosaurus away. Siamotyrannus then tail-smacks it away. it charges again but Torosaurus kicks it in the face, pushing it away. Torosaurus then charges again. it almost kills Siamotyrannus but Siamotyrannus bites its horn and they both fall over. Torosaurus falls into a rock. Siamotyrannus kicks it with sheer force as it got up, breaking the rock and throwing Torosaurus into the water. Torosaurus roared in distress as it sank beneath the waves. Siamotyrannus watched before roaring in victory.
Omosaurus

In the middle of the nineteenth century, geologist Professor Ebenezer Emmons discovered several reptilian teeth in the colliery of the Chatham company in North Carolina. In 1856, the fossils in his collection were described by paleontologist Joseph Leidy. Leidy combined the teeth with some vertebrae and ribs; adding to them an osteoderm or scute found in the same strata by Professor Michael Tuomey, he named the whole *Omosaurus perplexus* based on the holotype specimen BMNH 46013. Leidy provided no etymology; the specific name suggests he was intrigued by the "intricate" find. The generic name might be derived from the Greek ὠμός, *omos*, "rough", perhaps in reference to the rough surface of the scute or to the "savage" nature of a carnivorous reptile. Today, all syntypes are lost.
Kileskus

*Kileskus* (meaning *lizard* in the Khakas language) is a genus of tyrannosauroid dinosaur known from partial remains found in Middle Jurassic (Bathonian stage) Itat Formation of Sharypovsky District, Krasnoyarsk Krai (Russia). Fossils recovered include the holotype maxilla, a premaxilla, a surangular, and a few bones from the hand and foot. Additional remains referred to the species include cervical and caudal vertebrae, as well as a fibula. The skull bones are similar to those of *Proceratosaurus*. The type species is *K. aristotocus*. *Kileskus* was named in 2010 by Averianov and colleagues. Its size has been estimated at 5.2 meters (17 ft) in length and 700 kg (1,540 lbs) in weight.
Coeluroides

Coeluroides ("hollow form") is an extinct genus of theropod dinosaur that lived during the Late Cretaceous Period in what is now India. It is based solely on the holotype caudal vertebrae GSI K27/562, K27/574 and K27/595, discovered in a layer of the Lameta Formation. The type species, ***C. largus***, was described by Friedrich von Huene and Charles Alfred Matley in 1933. When fully grown, *Coeluroides* is estimated at 2 metres (6.6 ft) long and perhaps 30 kilograms (66 lb) in weight, similar to but larger than *Jubbulpuria*. *Coeluroides* was long considered a *nomen dubium* because of sparse remains, but a 2004 overview of Indian theropods from the Lameta Formation found it to be probably valid. An SVP 2012 abstract considers it as a possible senior synonym of *Ornithomimoides*.
Vayuraptor

*Vayuraptor* ("wind thief") is a genus of basal coelurosaurian theropod dinosaur that lived during the Early Cretaceous period in what is now Thailand. It contains a single species, V. *nongbualamphuensis*, recovered from the Sao Khua Formation. *Vayuraptor* is a genus of coelurosaurian theropod dinosaur that lived in Thailand during the Early Cretaceous.
Homalocephale

Homalocephale is a genus of pachycephalosaurid dinosaur that lived during the Late Cretaceous period of what is now the Nemegt Formation, Mongolia, about 70 million years ago. The genus was described in 1974 by Halszka Osmólska and Teresa Maryańska, and consists of a single species, *H. calathocercos*. Though *Homalocephale* has been regarded as a synonym (and juvenile form) of *Prenocephale*, juvenile specimens of the latter indicate that they were distinct. *Homalocephale* was 1.8 m (5.9 feet) long and possibly herbivorous.
Lourinhanosaurus

Just what kind of meat eater Lourinhanosaurus was is not clear to scientists. Some think it was the cousin of Allosaurus, while others think it may have been closely related to the older Megalosaurus. The fossil bones found in Portugal belong to a teenaged dinosaur not fully grown, but already nearly 14 feet [4.5 m] long. Part of the find was a number of gastroliths, or polished stones. Lourinhanosaurus would have swallowed stones to grind up the food in its gut. Some animals do this today chickens, for example aid their digestions by swallowing little bits of grit. Lourinhanosaurus’s full name is Lourinhanosaurus antunesi.
Alamosaurus

Alamosaurus is a genus of titanosaurian sauropod dinosaurs, containing a single known species, Alamosaurus sanjuanesis, from the late Cretaceous Period of what is now southern North America. Isolated vertebrae and limb bones indicate that it reached sizes comparable to *Argentinosaurus* and *Puertasaurus*, which would make it the largest dinosaur known from North America. Its fossils have been recovered from a variety of rock formations spanning the Maastrichtian age of the late Cretaceous period. Specimens of a juvenile *Alamosaurus sanjuanensis* have been recovered from only a few meters below the Cretaceous-Paleogene boundary in Texas, making it among the last surviving non-avian dinosaur species.
Kunbarrasaurus

Kunbarrasaurus was unusually small for an armoured dinosaur. Because we have discovered its near complete skeleton and the contents of its stomach, we know more about the life of Kunbarrasaurus than we do about most dinosaurs. For instance, we know it was slow moving and not very brainy. It had many kinds of armour, including large armour patches on its nose. On its neck and shoulders were big plates with ridges. Spikes protruded from its hips, and triangular plates decorated its tail. This dinosaur lived in what is now Australia. In this dinosaur’s day, Australia was dark in winter, but in the summer months, days were long and sunshine was plentiful. Vegetation grew all around, and Kunbarrasaurus had plenty of food to eat.
Brachyceratops

*Brachyceratops montanensis*, the type species, was first discovered in the Two Medicine Formation (Campanian, about 74 million years old) on a Blackfoot Indian Reservation in Teton County in north-central Montana. The original find was made in August 1913 by C. W. Gilmore and his assistant J. Floyd Strayer and was named and shortly described by Gilmore one year later. The generic name is derived from Greek: βραχύς, *brachys*, "short", Greek: κέρας, *keras*, "horn" and Greek: ὤψ, *ops*, "face", in reference to the short snout. The specific name refers to the provenance from Montana.All that was found were incomplete and jumbled remains of five juvenile individuals of about 1.5 m (5 feet) in length. It has been speculated that these juveniles may have been nest mates that stayed together after hatching. The holotype specimen is USNM 7951, a partial skull. The paratypes are USNM 7952, a snout, USNM 7953, a partial skeleton with skull and USNM 7957, a foot. The material is disarticulated but the preservation is excellent. In 1917 Gilmore published a monograph on *Brachyceratops* in which a reconstruction of the skeleton as a whole was given. All specimens are currently part of the collection of the Smithsonian Institution in Washington D.C., where a skeletal restoration is mounted. As *Brachyceratops* is known only from the remains of five juveniles — plus the subadult that Gilmore found about a mile from the original specimens —, it was long considered likely that these represented the immature forms of known centrosaurine ceratopsians, with *Monoclonius* often suggested as the likeliest candidate. By 2011 however, several studies had shown that the single specimen which was adult enough to be compared with related species, USNM 14765, represented the juvenile form of the later-named *Rubeosaurus*.
Afrovenator

The remains of *Afrovenator* were discovered in 1993 in the Tiourarén Formation of the department of Agadez in Niger. The Tiourarén was originally thought to represent the Hauterivian to Barremian stages of the early Cretaceous Period, or approximately 132 to 125 million years ago (Sereno et al. 1994). However, re-interpretation of the sediments showed that they are probably Mid-Jurassic in age, dating *Afrovenator* to the Bathonian to Oxfordian stages, between 167 and 161 mya. The sauropod *Jobaria*, whose remains were first mentioned in the same paper which named *Afrovenator*, is also known from this formation.
Isisaurus

*Isisaurus* is known from much better remains than most titanosaurs. Most of its postcranial skeleton is known. The skeletal material Jain and Bandyopadhyay found between 1984 and 1986 was "in associated and mostly articulated condition;" it included cervical, dorsal, sacral and caudal vertebrae, ribs, pelvis, scapula, coracoid, left forelimb and other bones, though skull, hindlimb and foot bones were missing. The site locality is Dongargaon Hill, which is in a Maastrichtian crevasse splay claystone in the Lameta Formation of India. Dongargaon Hill (20.212318N,79.090709E) is located near Warora, in Chandrapur District, Maharashtra.
Giganotosaurus

Is Giganotosaurus the deadliest killer dinosaur? According to some estimates,it may have been five feet [1.5 m] longer and three tons [2.7 MT] heavier than Tyrannosaurus. It was almost the same length as Mapusaurus but more sturdily built. Spinosaurus seems to have been even longer,and probably heavier ,than all of these theropods. Giganotosaurus was discovered in the Argentine desert by a garage mechanic riding on a dune buggy. The skeleton ,more than 80 percent complete was excavated by paleontologist Rodolfo Coria. That skeleton is the only evidence we have of Giganotosaurus except for one other piece of a jawbone.
Archaeornithomimus

Archaeornithomimus looked much like Struthiomimus and other big ornithomimids, even though it lived several million years before. Archaeornithomimus only weighed about 100 pounds [40 kg]. Its long legs and light build helped it run quickly. Archaeornithomimus is known for incomplete fossils discovered in northern China, and foot bones recently found in Maryland have also been identified as Archaeornithomimus. It’s unclear whether Archaeornithomimus ate meat. It had a sharp beak but not powerful teeth. Perhaps it was a omnivorous, eating both plants and meat, including fruit, insects, small mammals, and lizards.
Tuojiangosaurus

Tuojiangosaurus (meaning "Tuo River lizard") is a genus of herbivorous stegosaurian dinosaur from the Late Jurassic Period, recovered from the Upper Shaximiao Formation of what is now Sichuan Province in China. Physically similar to the North American *Stegosaurus*, *Tuojiangosaurus* is the best understood of the Chinese stegosaurs. It was around 7 metres (23 ft) long and 2 metres (6.6 ft) high. In 2010, Gregory S. Paul estimated the weight of a 6.5 metre long *Tuojiangosaurus* at 2.8 tons. In 1977, Dong provided a diagnosis but this largely consisted of traits shared with other stegosaurus. In 1990, Peter Malcolm Galton pointed out an autapomorphy: the spines of the vertebrae of the tail base possess spines with bony skirts running from their front to the sides. *Tuojiangosaurus* has the typical narrow and low head, bulky body, and low teeth of other stegosaurus. The limbs, especially the arms, are rather short. There are at least twenty-five dentary teeth. The teeth have a thick base, *cingulum*, merging at the inside into a triangular vertical median ridge. The dorsal vertebrae have tall neural arches. The shoulder blade has a rectangular acromion. Like *Kentrosaurus*, *Tuojiangosaurus* had two rows of plates along the spine, which became taller over the hip region. Those at the neck and front trunk were rounded or pear-shaped; the plates at the rear back became more triangular and pointed. All plates have a thickened central section, as if they were modified spikes. Dong estimated there were about seventeen pairs of plates and spikes. *Tuojiangosaurus* had at least two outward-pointing, rather robust, spikes on each side of the end of the tail, angled at approximately 45 degrees to the vertical. In stegosauridae, this spike arrangement has become affectionately known as the "thagomizer". Dong thought it were possible that there were four pairs of spikes. Paul, based on "*Chungkingosaurus* sp. 3" specimen CV 00208, interpreted the thagomizer as a "pin-cushion array", with two vertical pairs of thick spikes and a third pair of narrow spikes pointing to behind. In 1974, during construction of the Wujiaba dam in Zigong, Sichuan, the remains of a stegosaurian were found. The type and only species of *Tuojiangosaurus*, *Tuojiangosaurus multispinus*, was named and described in 1977 (exactly a hundred years after the naming of *Stegosaurus* by Othniel Charles Marsh) by Dong Zhiming, Zhou Shiwu, Li Xuanmin and Chang Yijong. The generic name is derived from the River (*jiāng*) Tuo. The specific name is derived from Latin *multus*, "many", and *spina*, "spine". The holotype, **CV 209**, was found in a layer of the Upper Shaximiao Formation, dating from the Oxfordian-Kimmeridgian. It consists of a rather complete skeleton that however lacks parts of the skull, lower jaws, tail and limbs. In 1977, it represented the most complete stegosaurian skeleton found in Asia. The paratype was specimen CV 210, a sacrum. Subsequently, more material has been referred, including juveniles. This complemented the holotype with elements of the skull, especially the braincase, and the lower jaws.
Talarurus

Talarurus is an extinct genus of ankylosaurid dinosaur that lived approximately 90 million years ago during the latter part of the Cretaceous Period in what is now Mongolia. *Talarurus* was a hippopotamus-sized, heavily built, ground-dwelling, quadrupedal herbivore, that could grow up to an estimated 6 m (19.7 ft) long. Like other ankylosaurs it had heavy armour and a club on its tail. Along with *Tsagantegia*, *Talarurus* is one of the oldest known ankylosaurines from Asia and one of the better-known ankylosaurs from Mongolia.
Huayangosaurus

Huayangosaurus was an early stegosaur,just half the size of the later Stegosaurus,with a double row of plates that were shaped like spikes. Huayangosaurus had teeth in front of its mouth. Later stegosaurs had none. We have many fossils that tell us a lot about Huayangosaurus’s world. It fed on low growing plants along the riverbanks of Central China. Above it giant plant eaters including Shunosaurus,fed on trees with their long necks. Tiny Xiaosaurus ran by,stopping to nibble plants close to the ground. And all of these plant eaters woud have feared Yangchuanosaurus,a sizable and nasty meat eater
Megaraptor vs Baryonyx

The battle starts as both dinosaurs enter the arena. Megaraptor roars and on the other side then they both ran and Megaraptor dodged the Baryonyx's claw and then he hit the Megaraptor bit its mouth and it started to bleed. Then the Baryonyx caught the tail of it then he rolled round and round Then he broke the Megaraptor's tail of the he caught THE MEGARAPTOR'S NECK AND THREW HIM AWAY THEN HE JUMPED TO SMUSH THE MEGARAPTOR AND HE DOGED AND HIT THE BARYONYX AND BEFORE HE GOT UP HE WAS HITTING HIM WITH HIS LEG THEN THE BARYONYX GOT UP AND MEGARAPTOR RAN AND BIT BARYONYX'S TAIL AND PRESSED HIS CLAWS TO AND BROKE HIS TAIL THE HE DID THE SAME TO THE NECK AND BARYONYX DIES AND MEGARAPTOR ROARS WITH VICTORY.
Rinchenia

*Rinchenia* (named after Rinchen Barsbold) is a genus of oviraptorid dinosaur from the Late Cretaceous Nemegt Formation of Mongolia. The type (and only known) species, *Rinchenia mongoliensis*, was originally classified as a species within the genus *Oviraptor* (named *Oviraptor mongoliensis* by Rinchen Barsbold in 1986), but a re-examination by Barsbold in 1997 found differences significant enough to warrant a separate genus. The name *Rinchenia* was coined for this new genus by Barsbold in 1997, though he did not describe it in detail, and the name remained a *nomen nudum* until used by Osmólska *et al.* in 2004.
Raptorex

Raptorex is a dubious genus of tyrannosaurid dinosaur. Its fossil remains consist of a single juvenile specimen probably uncovered in Mongolia, or possibly northeastern China. The type species is *R. kriegsteini*, described in 2009 by Sereno and colleagues. The genus name is derived from Latin 'raptor**'**, "robber", and 'rex**'**, "king". The specific name honours Roman Kriegstein, a survivor of the Holocaust, whose son Henry Kriegstein donated the specimen to the University of Chicago for scientific study. While initially considered to have come from the Yixian Formation of China, dated to approximately 125 million years ago during the early Cretaceous period, later studies showed that such an early date for the fossil are unlikely, and given its extremely close similarity to juvenile tyrannosaurids of the late Cretaceous, it probably came from the Iren Dabasu or similar formation. Because the specimen is a juvenile, and the changes undergone by tyrannosaurids during growth are not yet well understood, many researchers now consider it to be a *nomen dubium*, because it cannot be confidently paired with an adult skeleton (though it is extremely similar to juvenile *Tarbosaurus bataar* skeletons of the same size and age).
Stegoceras

*Stegoceras* was a small, bipedal dinosaur about 2 to 2.5 metres (6.6 to 8.2 ft) long, and weighed around 10 to 40 kilograms (22 to 88 lb). The skull was roughly triangular with a short snout, and had a thick, broad, and relatively smooth dome on the top. The back of the skull had a thick "shelf" over the occiput, and it had a thick ridge over the eyes. Much of the skull was ornamented by tubercles (or round "outgrowths") and nodes (or "knobs"), many in rows, and the largest formed small horns on the shelf. The teeth were small and serrated. The skull is thought to have been flat in juvenile animals and to have grown into a dome with age. It had a rigid vertebral column, and a stiffened tail. The pelvic region was broad, perhaps due to an extended gut.
Diplodocus

Diplodocus is the largest dinosaur known from a complete skeleton. But Diplodocus was a lightly built dinosaur for its size, perhaps only 16 tons [14.5 MT]. It had a very long tail that stretched more than 20 feet [6 m] long with about 80 tail vertebrae, far more than other giant dinosaurs. The booming sound made by snapping its tail may have scared of hungry predators. Its teeth were also very unusual. They were long and thin with a triangular point. They seem to be designed for snipping leaves from trees. But scientists disagree on whether or not Diplodocus held its head up high. It would have been difficult for its heart to plump blood that far upward.
Neovenator

The first bones of *Neovenator* were discovered in the summer of 1978, when a storm made part of the Grange Chine collapse. Rocks containing fossils fell to the beach of Brighstone Bay on the southwestern coast of the Isle of Wight. The rocks consisted of a plant debris bed within the variegated clays and marls of the Wessex Formation dating from the Barremian stage of the Early Cretaceous, about 125 million years ago. They were first collected by the Henwood family and shortly afterwards by geology student David Richards. Richards sent the remains to the Museum of Isle of Wight Geology and the British Museum of Natural History. In the latter institution paleontologist Alan Jack Charig determined that the bones belonged to two kinds of animal: *Iguanodon* and some theropod. The "*Iguanodon*", later referred to *Mantellisaurus*, generated the most interest and in the early 1980s a team was sent by the BMNH to secure more of its bones. On that occasion an additional theropod tail vertebra was discovered.
Pamparaptor

The specimen recovered from the Portezuelo Formation (Río Neuquén Subgroup) of Neuquén Group. It was initially considered to be a juvenile specimen of another dromaeosaurid species, *Neuquenraptor argentinus*. However, it was later re-interpreted as a new genus and named *Pamparaptor* by Juan D. Porfiri, Jorge O. Calvo and Domenica dos Santos in 2011 and the type species is *Pamparaptor micros*. The generic name honors Indian Pampas people who lived in central Argentina while "raptor" (robber in Latin). The specific name (*micros*, meaning "small") refers to the specimen's size (estimated at 0.5 to 0.7 metres (1.6 to 2.3 ft) in length).
Camptosaurus

Camptosaurus was almost the earliest members of the iguanodontian group of plant eaters. Like other iguanodontids,Camptosaurus had small hooves on its fingers and toes. But it had four toes while other iguanodontids had three,and Camptosaurus did not have the big thumb spike that is a special feature of the group. Also,its skull was narrower and longer,and its jaws were probably not as powerful for crushing plants as those of other iguanodontids. Camptosaurus is sometimes portrayed walking on its hind legs. But with hooves on each limb,it is more likely that it walked on all fours
Spinosaurus vs Pentaceratops

The match begins as the Spinosaurus and the Pentaceratops wandering over the cliffs, the Spinosaurus roars, and the Pentaceratops bounces and bellows. At the beginning of the fight, both dinosaurs jumped down and stared both of them with eye to eye. When they make a circle, the Spinosaurus dashes to the Pentaceratops with his hand to prepare to attack, and the Pentaceratops jumps and punches the Spinosaurus' arm, both of them landed. Both of them charged at them but they missed, as the Pentaceratops tries to impale the Spinosaur's sail, he dodged and the Pentaceratops landed safely. As it knows that the Spinosaurus was stunned, he emits a roar and dashes again to the Pentaceratops, it dashes, and it impales slightly to the hip. Then the Pentaceratops jumped and the Spinosaur landed, knowing that the Pentaceratops wasn't here, it lands on the Spinosaurus, then escapes. While the Spinosaurus land at the Pentaceratops, it kicks it and it lands. The Spinosaur swings his tail to the Pentaceratops, making it stand instantly. Then he bites the neck of the Pentaceratops, twisting it and letting it off, as it stands, it slaps its face, multiple times and it slaps extremely harder and the Pentaceratops flies off, and land near the deadly bushes, and the Pentaceratops was unable to move. Thus the Spinosaurus defeating it. The Spinosaurus roars in victory.
Torosaurus

Torosaurus ("perforated lizard", in reference to the large openings in its frill) is a genus of herbivorous ceratopsid dinosaur that lived during the late Maastrichtian stage of the Cretaceous period, between 68 and 66 million years ago, though it is possible that the species range might extend to as far as 69 million years ago. Fossils have been discovered across the Western Interior of North America, from Saskatchewan to southern Texas.*Torosaurus* possessed one of the largest skulls of any known land animal. The frilled skull reached up to 2.77 metres (9.1 ft) in length. From head to tail, *Torosaurus* is thought to have measured about 8 to 9 m (26 to 30 ft) long and weighed eight to twelve tons. *Torosaurus* is distinguished from the contemporary *Triceratops* by an elongate frill with large openings (fenestrae), long squamosal bones of the frill with a trough on their upper surface, and the presence of five or more pairs of hornlets on the back of the frill. *Torosaurus* also lacked the long nose horn seen in *Triceratops prorsus*, and instead resembled the earlier and more basal *Triceratops horridus* in having a short nose horn. Three species have been named, *Torosaurus latus*, *T. gladius* and *T. utahensis*. *T. gladius* is no longer considered a valid species, however.In 2010, the validity of *Torosaurus* was disputed. A study of fossil bone histology combined with an investigation of frill shape concluded that *Torosaurus* probably represented the mature form of *Triceratops*, with the bones of typical *Triceratops* specimens still immature and showing signs of a first development of distinct *Torosaurus* frill holes. During maturation, the skull frill would have been greatly lengthened and holes would have appeared in it. In 2011, 2012 and 2013 however, studies of external features of known specimens have claimed that morphological differences between the two genera preclude their synonymy. The main problems are a lack of good transitional forms, the apparent existence of authentic *Torosaurus* subadults, different skull proportions independent of maturation and the assertion that hole formation at an adult stage is not part of a normal ceratopsian maturation sequence.
Siats

In 2013,on a fossil hunting expedition in the Utah wilderness, paleontologist Lindsay Zanno discovered the bones of a giant dinosaur. She knew immediately that she had discovered a new species of giant meat eater. Although it was as big as a school bus and heavier than two elephants, the skeleton was from a Siats that had died before it became an adult. Examining the Siats’s bones under a microscope showed a pattern seen only in still growing dinosaurs. Full grown Siats might have reached 40 feet [12 m] long, the size of the largest North American meat eater, Tyrannosaurus. Siats was the last giant meat eater known in North America before giant tyrannosaurs ruled the land. It belonged to a closely related group of dinosaurs, the neovenatorids. This group includes species large and small known from Europe, Asia, Australia, and South America. Siats was the first member of this group to be discovered in North America.
Megaraptor vs Rubeosaurus

The battle begins with a male and female Rubeosaurus entering the arena and bellowing. A Megaraptor also makes its entrance and roars. The Megaraptor roars and walks towards the Rubeosaurs, confident that it can get an easy meal. The Rubeosaurs charge at the Megaraptor, but the Megaraptor swipes its tail, knocking the Rubeosaurs back. The Megaraptor sprints towards the pair, with the Rubeosaurs charging shortly after. The Rubeosaurs swipe their tails, but the Megaraptor jumps over them. As the Rubeosaurs charge again, the Megaraptor also tries to attack with its tail. However, the Rubeosaurs lock their feet in mid-air, and manage to dodge the attack. After they get up, the Rubeosaurs hit the Megaraptor with their nasal horn. Before they can get another charge attack in, the Megaraptor hits the male Rubeosaurus with its tail and bites down on the female Rubeosaurus's horn. The Megaraptor then slams the female Rubeosaurus to the ground. Before the Megaraptor can kill the female Rubeosaurus, the male Rubeosaurus tries to hit the Megaraptor with its nasal horn, but the Megaraptor stops it by placing its foot between the horn. The Megaraptor roars and stomps its foot to the ground, stunning the male Rubeosaurus. It looks at the female Rubeosaurus and the male Rubeosaurus and bites down on the male's tail. It then impales the Rubeosaurus on the female's horn, killing it instantly. The female Rubeosaurus gets up and nudges the male's dead corpse. Furious at the loss of its mate, the Rubeosaurus charges forward. The Megaraptor, just like the male, stops the Rubeosaurus with its foot. However, the Rubeosaurus charges forward, tripping up the Megaraptor. As the Megaraptor gets up, it sees the Rubeosaurus charging forward and dodges out of the way, as we see a black screen with blood gashed on it. The Megaraptor's arm goes flying into the air, making the Megaraptor roar in pain. The Rubeosaurus uses this oppurtunity to get another hit in. The Megaraptor roars out in rage as it sprints forward. The Megaraptor jumps into the air and kicks the female Rubeosaurus further down the arena. The Rubeosaurus tries to get up,but the Megaraptor pins it to the ground and bites down on the ceratopsian's nasal horn. The Megaraptor rips the horn out, leaving the Rubeosaurus defenceless as the Rubeosaurus rubs its now stubby horn. The Megaraptor roars out in intimadation, making the female Rubeosaurus flee. The Megaraptor roars out in victory and crouches down to rest its wounds.
Zhejiangopterus

In 1986 a young chalkstone quarry worker named Xu Chengfa, found a large fossil near the village of Aolicun in Linhai. Xu by letter informed the director of the Zhejiang Museum of Natural History at Hangzhou, Ming Hua, who from it understood the remains were those of an unknown pterosaur. Therefore, he sent a team consisting of the describers and Wu Weitang to investigate. They secured the fossil, instructing the local population to be alert for possible further finds. Xu himself managed to find three more specimens before being killed in an accident in 1988; another worker found a complete skull.
Protoceratops

Protoceratops was a sheep size plant eater common in the Gobi desert of ancient Mongolia. Still a desert today, the Gobi preserves Protoceratops fossils in near perfect condition. The most famous of these discoveries is one of the greatest of all fossil finds a Protoceratops locked in battle with a Velociraptor. A collapsing sand dune probably killed them during their struggle. The first nest of dinosaur eggs ever found was discovered in 1924 near a Protoceratops, so Protoceratops became famous as a parent. But later discoveries showed that Citipati was the true parent of babies in that nest. Protoceratops’s eggs have not yet been definitely identified.
Ankylosaurus vs Parasaurolophus

The match begins & both Ankylosaurus and Parasaurolophus roar. Parasaurolophus walks to Ankylosaurus's side but Ankylosaurus has its tail ready for attack. It roars, spins & tries to attack Parasaurolophus but it misses a couple of times. It runs and tries again but Parasaurolophus jumps and lands on it, making it collapse and it lands on the ground, spinning and it makes fog like it did in it's first match. Ankylosaurus doesn't know what is happening and Parasaurolophus hits it with a stick, then it lands on its head & disappear. Ankylosaurus regains and the fog clears. Parasaurolophus tries to attack with a stick but Ankylosaurus stands on its twos. It steps on Parasaurolophus and tries to hit it with its club tail, Parasaurolophus ducks but Ankylosaurus hits, making it dizzy. Parasaurolophus regains but as it is so dizzy, it falls Drowned death the quicksand . Ankylosaurus roars in victory.
Supersaurus

*Supersaurus* is among the largest dinosaurs known from good remains, possibly reaching 39–40 meters (128–131 feet) in length, and a weight of 31.8–36.3 metric tons (35.1–40.0 short tons). The first described specimens of *Supersaurus* were individual bones that suggested a large diplodocid. A large cervical vertebra BYU 9024 from the same quarry was later assigned to *Supersaurus*. This vertebra measures 1,380 millimeters (54 in) and is the longest cervical known. This enormous vertebra was reclassified as a *Barosaurus* vertebra, by Mike Taylor and Matt Wedel., however Brian Curtice assigned it to Supersaurus on the basis of additional specimens. The assignment of the more complete specimen, WDC DMJ-021, to *Supersaurus* suggests that in most respects it was very similar in anatomy to *Apatosaurus* but less robustly built with especially elongated cervical vertebrae, resulting in one of the longest known sauropod necks.
Lesothosaurus

*Lesothosaurus* was a 2 metres (6.6 ft) long, bipedal omnivore. It was one of the earliest ornithischians. Its long slender legs, small arms with hands that would not have been able to grasp properly, and slender tail all suggest that it was a fast runner. Like all ornithischians, the tips of *Lesothosaurus* upper and lower jaws were horny, forming a beaklike structure. Behind the beak were leaf-shaped teeth that lined the jaws, and near the front of the upper jaws were 12 fanglike teeth. Analysis of its teeth has shown that *Lesothosaurus* sliced up its food with its beak and was not able to chew its food. Studies of the tooth wear have shown much less abrasion on the teeth than would be expected of a plant-eater feeding mainly on tough, arid-climate plants, and concluded that *Lesothosaurus* was probably an opportunistic omnivore, feeding primarily on small animals during seasons when softer plants were not available.
Maisaura

Maiasaura (from the Greek "μαία" and the feminine form of Latin *saurus*, meaning "good mother reptile" or "good mother lizard") is a large herbivorous hadrosaurid ("duck-billed") dinosaur genus that lived in the area currently covered by the state of Montana in the Upper Cretaceous Period (mid to late Campanian), about 76.7 million years ago. The first fossils of *Maiasaura* were discovered in 1978. The genus was named in 1979. The name refers to the find of nests with eggs, embryos and young animals, in a nesting colony. These showed that *Maiasaura* fed its young while they were in the nest, the first time such evidence was obtained for a dinosaur. Hundreds of bones of *Maiasaura* have been dug up. *Maiasaura* was about 9 metres (30 ft) long. Young animals walked on their hind legs, adults on all fours. *Maiasaura* was probably closely related to *Brachylophosaurus*. *Maiasaura* were large, attaining a maximum known length of about 9 metres (30 ft). They had a flat beak typical of hadrosaurids, and thick noses. They had a small, spiky crest in front of the eyes. This crest may have been used in headbutting contests between males during the breeding season.
Heterodontosaurus

Heterodontosaurus was a little plant eater with close relatives all around the world. It is named for its three different kinds of teeth. In the front of the mouth were little choppers. Farther back were a set of tall, straight bottomed teeth that were good for chewing. In front of its cheek teeth were peculiar little tusks unlike the teeth of other small bird hipped dinosaurs of the time. The tusks may have been used to fight other Heterodontosaurus for food or mates. Heterodontosaurs’s hands were also very unusual. It could pinch objects between its first and fifth fingers, the way you can hold things between your thumb and pinkie
Tyrannosaurus Rex

Tyrannosaurus rex was the king of dinosaurs. It was so strong that it could defeat even the biggest dinosaur. Its name means Tyrant King Lizard. Even though its limbs were big its speed was only 12 mph, which is slower than the Velociraptor. The tyrannosauridae had many dinosaurs that were like Tyrannosaurus. It was found in North America and had tons of battles with Triceratops who lived at the same country and time. Tyrannosaurus lived in the cretaceous period. Its claws were tiny but its jaws were the size of a banana. Tyrannosaursu could have gulped down dinosaur without chewing! It was so big that it needed to eat 300 pounds of meat every day. that why it could hunt dinosaurs bigger than itself.
Stegosaurus

Stegosaurus was the largest of the plate backed plant eaters, and it has stumped scientists for many years. When found more than a century ago, it was thought to have walked on two legs. And scientists once thought the bundle of nerves near its tail was a second brain. One scientist suggested that its plates could flap. Others thought the plates were used in defence but they are to thin. Maybe they were used to cool or warm the animal or to attract mates. Stegosaurus’s spiked tail, however, could have been a weapon. A tailbone of Allosaurus has a hole in it the size of a Stegosaurus tail spike
Dilophosaurus vs Iguanodon

The match begins as the Dilophosaurus enters the arena and roars. Then the Iguanodon enters the arena and bellows. Dilophosaurus walks around Iguanodon, trying to get ready for its snack. It jumps and tries to claw Iguanodon but it dodges. Dilophosaurus tries again but just the same. It tries again, but this time Iguanodon watches, going on its fours. Then Iguanodon attacks with its tail and Dilophosaurus rolls onto its feet, regaining quickly. Iguanodon tries again but it misses. Dilophosaurus attacks and hits Iguanodon's hand, Iguanodon's dizzy, making it the chance for Dilophosaurus to attack its leg successfully. Iguanodon nearly falls but it saves itself and thinks he can do it. Dilophosaurus jumps, attacking Iguanodon's back with its legs, making it fall over. It jumps again, landing on Iguanodon. It bites but Iguanodon misses a few times, but Dilophosaurus bites successfully and continuesly. Iguanodon decides it is the right time, and it attacks Dilophosaurus's neck with its claw, making it dizzy, not being able to breathe and Iguanodon kicks him away, getting onto his feet. Dilophosaurus lands on its back and roars, not being able to breathe. Eventually it dies and Iguanodon walks away for shelter as it is so cold.
Ankylosaurus

Ankylosaurus was as large as tanks and nearly as hard to attack, even though they were slow moving, and their tail clubs would have not been much defence against a Tyrannosaurus. But their extremely tough armour might have foiled the eight inch [20 cm] long teeth of the king of dinosaurs. Ankylosaurus roamed across the North American West, snipping plants with its little leaf shaped teeth. It had few teeth compared to the duckbills and horned dinosaurs that were also feeding in its world. But on the warm plains that bordered a huge seaway. Ankylosaurus had plenty to eat