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Stub This section is taken from the Dinosaur Field Guide.

'Allosaurus as depicted on the Jurassic Park Institute website

Name meaning

"Different/Other Lizard"

Code name





2.3 meter (7.5 ft)


8.5 meter (28 ft)


2.3 tons

Birth type


Game appearances

The Lost World: Jurassic Park
Jurassic Park III: Park Builder
Jurassic Park: Operation Genesis
Jurassic Park: Explorer
Jurassic Park: Builder

Comic appearances

Jurassic Park: Redemption IV
Jurassic Park: Dangerous Games I
Jurassic Park: Dangerous Games V

Toy appearances

The Lost World Series 1
Jurassic Park 3D

Template Source

Allosaurus ("different lizard") was the most common predator of the Late Jurassic period and the most dangerous. Like most meat-eating dinosaurs, its jaws were filled with serrated teeth shaped like blades. Computer studies suggest that Allosaurus attacked by using its upper jaw like a battle ax to hack at its victim, then it used its lower jaw to bite out a slice of meat.

It might have been easy for an Allosaurus to kill a fairly defenseless dinosaur-like Camptosaurus, but Stegosaurus could certainly put up a fight, and the sauropods (giant long-necks) were so huge that they could easily crush even an adult Allosaurus with a blow from their tail, or a stomp from their legs.

We know that Allosaurus led a dangerous life. The Allosaurus on display at the Smithsonian Institute has a smashed shoulder blade, many broken ribs, and a lower jaw so damaged that paleontologists didn't realize it was an Allosaurus jaw for over 100 years! But these were tough dinosaurs: Their bones show that they lived long enough for their wounds to heal.

Wikipedia has a more detailed and comprehensive article on Allosaurus

Jurassic Park Franchise


Fanart by Hellraptor

Allosaurus has never appeared in the novels or films. However, it does appear in some video games, comics[citation needed] and toy lines despite its fame. For the development of Jurassic World, Jack Horner said that another new antagonist would appear that would be more terrifying than the Spinosaurus, Compsognathus, Tyrannosaurus and Velociraptor and asking the fans to guess what it is. Allosaurus is one of the prominent guesses.

Video games

The Lost World: Jurassic Park video game


Allosaurus first appeared in the PSX/Sega Saturn game of The Lost World: Jurassic Park. Here, they were shown as living in caves near the Human Camp in large numbers and would attack the player's Tyrannosaurus moving through the area. They bear a similar orange/brown striped pattern to the later appearance in Operation Genesis. It's possible that the ones in The Lost World are males. The Allosaurs existence in this game might be the reason why Giganotosaurus is not featured here, although the Giganotosaurus is seen in Velociraptor's gallery.

Jurassic Park: Operation Genesis

see Allosaurus/Operation Genesis

Allosaurus is a four-star large carnivore in the video game Jurassic Park: Operation Genesis. Females appear to be orange to brown in color and they seem to spend most of the time stalking in the dense woodlands. Even though it is not quite fast enough to catch prey such as Dryosaurus, it will ambush and kill them if it can seize an opportunity. It is also notable that unlike the other large carnivores, who will fight each other (such as territory), Allosaurus is quite hesitant and is often hunted by other large carnivores, unless it is on a rampage, has been modded, or is stressed. If this doesn't occur than the Allosaurus will usually retreat to safety. It should be noted that in the game it does not kill large sauropods, such asBrachiosaurus, but will attack smaller prey close to its size. It is also somewhat more robust than the actual animal (though this might because it is based on the African species, A. tendagurensis which the latter's is from the formation excavated in the game).

Jurassic Park: Explorer

Allosaurus is featured in the DVD game Jurassic Park: Explorer. A player earns a dinosaur when he/she wins a minigame, when the earned dinosaur is an Allosaurus this video will be shown. The Allosaurus in this game was actually, a recolored Tyrannosaurus. Presumably when the game was made, the developers did not have enough time to create an Allosaurus, so they reused a T. rex to portray the dinosaur. This also happened with the Albertosaurus.

Jurassic Park: Builder

Allosaurus can be created in the Jurassic Park section of Jurassic Park: Builder. John Hammond says it is his favorite dinosaur.




Allosaurus appears in the Jurassic Park: Redemption series, in issue four.[citation needed]

It’s among the many dinosaurs that were released by Ludlow on the unsuspecting town of Glen Rose, Texas. The allosaurs attacked the vehicle that Dr. Alan Grant is in, and before it can catch Grant it’s lassoed by Dr. Backer (which is probably an intended nod to the classic dinosaur film Valley of Gwangi.)

Allosaurus appeared in the first and fifth of Jurassic Park: Dangerous Games.[citation needed]

Toy lines


Allosaurus appears in The Lost World Series 1 toy line with a Dino-Damage Medical Center and has 4 removable parts. Allosaurus is often sold separately by some figure collectors. It bears an orange/brown striped pattern, similar to the PSX/Saturn The Lost World's Allosaurus.

An Allosaurus prototype was made for the Jurassic Park 2011 toys, complete with a Dino Damage wound which resembles Isla Sorna. This particular mold is unique featuring more articulation than any Jurassic Park dinosaur figure ever made. It also appears to be inspired by Papo's own Allosaurus

It was later released as a part of the Jurassic Park 3D toyline along with the Pachyrhinosaurus Allosaurus' coloration appears to be inspired by the Guanlong in the animated film Ice Age: Dawn of the Dinosaurs

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