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Allosaurus
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Allosaurus was a common carnivorous (meat-eating) dinosaur
in North America during the late Jurassic and early
Cretaceous period,
approximately 154 to 135 million
years ago. Allosaurus
fossils
have also been found in Africa and
Australia.
Allosaurus was up to 39 feet (11.9 meters) long,
and weighed approximately 1.7 tons.
Some scientists believe Allosaurus was too heavy to chase down prey, and
therefore was probably a scavenger. However, others believe that Allosaurus
may have been quite agile, and could even have hunted in packs to bring down
giant herbivores (plant-eaters) such as
Apatosaurus or
Diplodocus.
The first Allosaurus
fossil
was incorrectly described as a "petrified horse hoof".
In fact, it was a caudal vertebra (tail bone) of this dinosaur, although
it was not recognized as such at the time.
Using much more material, including a partial skeleton,
Othniel C. Marsh
published the first description of Allosaurus in 1877.
One of the most important Allosaurus specimens found, was
discovered in
Wyoming,
in 1991.
This animal, which has been nicknamed "Big Al", was actually smaller than
average for its particular species of Allosaurus (it was probably not fully grown),
and even though many bones showed signs of infection (which may have contributed to the animal's death),
was very important because the skeleton was 95% complete. Furthermore, the same team which discovered
"Big Al", also subsequently discovered a second well-preserved specimen, which has been nicknamed
"Big Al Two".
The discovery, and possible life-story of "Big Al", served as inspiration
for a special episode of the BBC/Discovery TV series, Walking With Dinosaurs ,
entitled "The Ballad of Big Al".
Allosaurus has been designated the official state
fossil of
Utah,
since
1988.
Allosaurus was a carnivore (meat-eater) that lived from 154 to 135 million years ago
Related Information & Resources
See Also
Allosaurus Facts
Here is a summary of some of the key facts about Allosaurus:
- Allosaurus was a genus of dinosaur.
- "Allosaurus" means "different lizard" or "strange lizard". This name was chosen by Othniel C. Marsh in 1877.
- Allosaurus was a member of the Saurischia ("lizard-hipped") order of dinosaurs. What this means, is that although Allosaurus was not closely related to lizards, it did have similarly shaped pelvic bones.
- Allosaurus was a Theropod - a member of a group of related bipedal dinosaurs that included the ancestors of birds (although Allosaurus was not itself an ancestor of birds).
- Allosaurus lived between about 154 million years ago and 135 million years ago, during the late Jurassic and early Cretaceous periods.
- Allosaurus lived in North America, Africa and Australia.
- Allosaurus was a carnivore (meat-eater).
- Some scientists think that Allosaurus was probably a scavenger, but others think it was an active predator. There is even possibility that Allosaurus may have been a pack hunting animal, with individuals working together to bring down prey.
- Allosaurus was about 39 feet (11.9 meters) long.
- Allosaurus weighed about 1.7 tons.
- Allosaurus is the official state fossil of Utah.
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Allosaurus Books
Here are some books from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
By Sally Ann Lee
Capstone Press
Released: January 1st, 2015
Paperback (32 pages)
 | Lowest New Price: $6.95*
In Stock.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
Allosaurus (Little Paleontologist)- Manufacturer: Capstone Press
- Brand: Capstone Press
- ISBN: 1491423749
- EAN: 9781491423745
- PartNumber: illustrations
Details:- Paperback
- Number of Pages: 32
- Author: Sally Ann Lee
- Publication Date: January 1st, 2015
- Release Date: January 1st, 2015
Physical Description:- Size: 8.75196849501 Inches by 7.75196849603 Inches by 0.12598425184 Inches
- Weight: 0.2 Pounds
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By Rebecca Sabelko
Epic
Released: August 1st, 2020
Paperback (24 pages)
 | Lowest New Price: $6.99*
In Stock.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
Allosaurus (World of Dinosaurs)- Manufacturer: Bellwether Media
- Brand: Epic
- ISBN: 1681038358
- EAN: 9781681038353
Details:- Paperback
- Number of Pages: 24
- Author: Rebecca Sabelko
- Publication Date: August 1st, 2020
- Release Date: August 1st, 2020
Physical Description:- Size: 9.0 Inches by 7.0 Inches by 0.1 Inches
- Weight: 0.15 Pounds
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By Jack Wilkin
Lulu.com
Released: May 22nd, 2016
Paperback (140 pages)
 | Lowest New Price: $8.58*
In Stock.*
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Click Here | Description:
Allosaurus: A Biography- Manufacturer: lulu.com
- Brand: Lulu.com
- ISBN: 1326662813
- EAN: 9781326662813
Details:- Paperback
- Edition: Second Edition
- Number of Pages: 140
- Author: Jack Wilkin
- Publication Date: May 22nd, 2016
- Release Date: May 22nd, 2016
Physical Description:- Size: 8.26 Inches by 5.83 Inches by 0.32 Inches
- Weight: 0.39 Pounds
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By Rob Shone
PowerKids Press
Released: August 30th, 2009
Library Binding (32 pages)
 | Lowest New Price: $28.50*
In Stock.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
Allosaurus: The Strange Lizard (Graphic Dinosaurs)- Manufacturer: PowerKids Press
- Brand: PowerKids Press
- ISBN: 1435885880
- EAN: 9781435885882
Details:- Product Category: Library Binding
- Edition: Illustrated
- Number of Pages: 32
- Author: Rob Shone
- Publication Date: August 30th, 2009
- Release Date: August 30th, 2009
Physical Description:- Size: 11.29 Inches by 9.03 Inches by 0.35 Inches
- Weight: 0.88 Pounds
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By Tim Bradley
Arbordale Publishing, LLC
Released: January 21st, 2020
Hardcover (32 pages)
 | Lowest New Price: $17.95*
In Stock.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
I am Allosaurus (I Am Prehistoric)- Manufacturer: Arbordale Publishing
- Brand: Arbordale Publishing, LLC
- ISBN: 164351749X
- EAN: 9781643517490
Details:- Hardcover
- Format: Picture Book
- Number of Pages: 32
- Author: Tim Bradley
- Publication Date: January 21st, 2020
- Release Date: January 21st, 2020
Physical Description:- Size: 10.1 Inches by 8.9 Inches by 0.5 Inches
- Weight: 0.85 Pounds
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By Leigh Rockwood
PowerKids Press
Released: August 30th, 2011
Library Binding (24 pages)
 | Lowest New Price: $24.60*
Temporarily out of stock. Order now and we'll deliver when available. We'll e-mail you with an estimated delivery date as soon as we have more information. Your account will only be charged when we ship the item.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
Allosaurus (Dinosaurs Ruled!)- Manufacturer: PowerKids Press
- Brand: PowerKids Press
- ISBN: 1448849721
- EAN: 9781448849727
Details:- Product Category: Library Binding
- Edition: 1
- Number of Pages: 24
- Author: Leigh Rockwood
- Publication Date: August 30th, 2011
- Release Date: August 30th, 2011
Physical Description:- Size: 9.1 Inches by 9.1 Inches by 0.3 Inches
- Weight: 0.65 Pounds
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By Lola Faust
Independently Published
Released: September 24th, 2020
Paperback (114 pages)
 | Lowest New Price: $11.99*
In Stock.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
Wet Hot Allosaurus Summer- Manufacturer: Independently published
- Brand: Independently Published
- EAN: 9798682280384
Details:- Paperback
- Number of Pages: 114
- Author: Lola Faust
- Publication Date: September 24th, 2020
- Release Date: September 24th, 2020
Physical Description:- Size: 7.81 Inches by 5.06 Inches by 0.26 Inches
- Weight: 0.26 Pounds
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Allosaurus Toys
Here are some toys/games from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
Jurassic World Toys
Accessory
 | Lowest New Price: $36.58*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
Jurassic World Roar Attack Allosaurus Camp Cretaceous Dinosaur Figure with Movable Joints, Realistic Sculpting, Strike Feature & Sounds, Carnivore, Kids Gift 4 Years & Up- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: GWD10
- UPC: 887961938050
- EAN: 0887961938050
- PartNumber: GWD10
Details:- Product Category: Accessory
Physical Description:- Size: 6.69 Inches by 2.76 Inches by 10.24 Inches
- Weight: 0.771617917 Pounds
Features:- Be a part of thrilling action and adventure with Jurassic World Dino Escape with these action figures inspired by the dinosaurs of the animated series, Jurassic World: Camp Cretaceous
- These dinosaurs have movable joints for pose and play battle fun, and a strike feature. Activate it to experience three levels of sounds up up to a mighty roar!
- Great for dinosaur action play or creating a roaring display, these figures include realistic sculpting and authentic decoration. Each sold separately, subject to availability
- It's the perfect gift for ages 4 years old and up especially Jurassic World fans and those who love dinosaurs!
- Download the Jurassic World Facts app (Android and iOS) for more dinosaur fun! App lets you scan your dinosaur and watch it come to life, zoom in on dinosaurs up close, hear dinosaur roars, learn fun dinosaur facts and more
Click here for more information |
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gemini&genius
Allosaurus Toy
 | List Price: $16.99*
Lowest New Price: $15.99*
In Stock.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
Gemini&Genius Jurassic Dinosaur Park Toys Allosaurus Dinos World Action Figure with Movable Jaw Safari Animal Toys Cool Cake Topper, Party Gift and Prize Supplies for Kids 3-12 Years Old- Manufacturer: Shenzhen Gemini Technology LTD.
- Brand: gemini&genius
- UPC: 769638081941
- EAN: 0769638081941
- PartNumber: Dinosaur Figure
Details:Physical Description:- Weight: 0.37699046802 Pounds
- Color: Allosaurus
Features:- 【One of The Fiercest Predators】The Allosaurus was certainly one of the fiercest predators of the Jurassic, he could measure up to 12 meters long and 4.60 meters high and weighs 2 tons. He is one of the largest carnivorous dinosaurs that lived and he did not hesitate to attack large prey like Brachiosaurus or Apatosaurus
- 【Develop Dexterity and Spark the Imagination】We encourage your kids to use their imagination to create their own magical kingdom. The toys will help to develop their skills while enjoying hours of imaginative play in great planet's history.
- 【Great Detail】It is hand painted with amazing detail, realistic, educational, and fun, this figurine is suitable for a range of interests, including collectors, teachers, and kids. Another special characteristic of this figure is the care in the details and postures, which gives the impression that the figurines are animated.
- 【Beautifully Finished and Durable】This figure is beautifully finished and the extreme attention to detail is universally recognized. This figure is made of a very high quality plastic.
- 【SIZE】Large lifelike Dinosaurus Figure at 4 inches tall and 9.8 inches length; Weighs 6 ounces. Suitable for ages: 3 plus Years. Use by children under 8 should be supervised by adult.
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PNSO
 | Lowest New Price: $38.99*
In Stock.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
PNSO Prehistoric Dinosaur Models:45 Paul The Allosaurus- Manufacturer: PNSO
- Brand: PNSO
- EAN: 6974180730245
- PartNumber: PNSO
Physical Description:- Color: 45 Paul the Allosaurus
Features:- Illustrated by ZHAO Chuang, Text by YANG yang.
- Made of soft plastics, safe and innocuous, healthy and Eco-friendly.
- High detailed, realistic and exquisite.
- Excellent for educational purposes, endangered species awareness, environmental consciousness, plus gaining deeper knowledge of actual animals.
Click here for more information |
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Papo
Multi Toy
 | Lowest New Price: $28.14*
In Stock.*
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Click Here | Description:
Papo Polacanthus Figure, Multicolor- Manufacturer: Papo
- Brand: Papo
- Model: 55078
- EAN: 3465000550783
- PartNumber: 55078
Details:Physical Description:- Size: 4.1 Inches by 9.6 Inches by 2.4 Inches
- Weight: 0.15873282864 Pounds
- Color: Multi
Features:- Stimulate and inspire imagination of children
- Hand painted
- Designed in France
- Extreme care taken with product quality and safety
- Highly detailed and durable
Click here for more information |
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Jurassic World Toys
Toy
 | Lowest New Price: $89.99*
In Stock.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
JURASSIC WORLD ROARIVORES Allosaurus- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: FMM30
- UPC: 887961576801
- EAN: 0887961576801
- PartNumber: FMM30
Details:Physical Description:- Size: 7.0 Inches by 2.75 Inches by 10.5 Inches
- Weight: 0.54895103238 Pounds
Features:- Get ready for thrilling action and adventure with Jurassic World!
- Inspired by the movie, Roarivores dinosaur action figures feature push button sound activation and signature attack moves iconic to their respective species.
- Play out movie action scenes with signature attack moves like chomping, biting and head butting.
- Each dinosaur figure has articulated arms and legs, realistic sculpting and authentic decoration.
- Choose from Roarivores Triceratops, Roarivores Baryonyx, Roarivores Metriacanthosaurus and Roarivores Allosaurus.
Click here for more information |
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Jurassic World Toys
Multicolor Toy
 | Lowest New Price: $129.95*
In Stock.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
Jurassic World Dual Attack Allosaurus Dinosaurs in Medium Size with Button-Activated Dual Strike Action Moves Like Tail & Head Strikes- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: GGX96
- UPC: 887961790764
- EAN: 0887961790764
- PartNumber: GGX96
Details:Physical Description:- Size: 4.8 Inches by 3.2 Inches by 13.0 Inches
- Weight: 0.0027116858226 Pounds
- Color: Multicolor
Features:- Medium-sized Jurassic World Dual Attack dinosaur action figures make battle action come alive with an all-new way to play!
- Dual-button activation gets the battle action going for frighteningly fierce moves!
- Buttons are located on the back and each one triggers a strike. Back button makes the tail strike; front button makes the head strike! Hold both buttons at once for dual tail and head-striking action!
- Features realistic movie-inspired sculpting, articulation plus authentic color and texture.
- Medium size is perfect for collecting and playing out epic Jurassic World battle-action scenes!
- Choose from the Concavenator, Parasaurolophus, Triceratops action figures and more (each sold separately, subject to availability).
- Informative Dino Rivals collector card is included for each dinosaur with key battle stats and attributes.
- Download the Jurassic World Facts app (Android and iOS) for more dinosaur fun! App lets you scan each dinosaur and watch them come to life, learn attack facts, compare stats and more!
Click here for more information |
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gemini&genius
 | List Price: $19.99*
Lowest New Price: $18.99*
In Stock.*
*(As of 13:46 Pacific 17 Jan 2022 More Info)
Click Here | Description:
Jurassic Dinosaur Toys Allosaurus and Stegosaurus Set, Dinosaur Toys for Boys and Girls; Birthday, Xmas and New Year Dinosaur Figurine Gift for Kids Ages 3 Years Old & Up- Manufacturer: Gemini&Genius
- Brand: gemini&genius
- PartNumber: Dinosaur Figure Set -1
Physical Description:- Weight: 0.5291094288 Pounds
- Color: Allosaurus Set
Features:- 【Realistic Emulational Details】This figures are made by hand painted with high realistically detailed appearance. Their uniquely molded textures and richly painted details make the animals vivid. And the dinosaur figures stand up very well, have moving jaw. Open the dinosaur’s mouth can see sharp teeth and bright red tongue make the dinosaur vivid. With the dinosaur carcass. It's like just ending a fight, bloody scene, Very cool!
- 【Awesome Birthday Gift】Such different varieties of dinosaur figures are worth to be collected, decorating children's bookcase, desk and room. It's an awesome birthday gift or prize for kids, also it would be a good idea to use them as the cake toppers and make a dinosaur themed cake for your children. They would love that so much.
- 【Educational Animals Playset】These are great for education purposes, creative play, party favors, school projects, baby shower and crafts. Parents can tell the children stories about the information of the dinosaur or the life of the dinosaurs, it will improve the parent-child relationship.
- 【Develop Dexterity and Spark the Imagination】We encourage your kids to use their imagination to create their own magical kingdom. The toys will help to develop their skills while enjoying imaginative play.
- 【Safe Materials】The Figures Play-set made by high quality durable ABS plastic, Non-Toxic Paint and Odorless. All by safety materials for kids, all figures are solid.
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,
entitled "The Ballad of Big Al".
