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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 Hardcover (32 pages)
 | List Price: $6.95* Lowest New Price: $6.95* Lowest Used Price: $4.34* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | Product Description: Before Tyrannosaurus rex, there was the mighty Allosaurus. This carnivorous dinosaur ruled the Jurassic Period with its razor-sharp teeth and deadly claws. Vibrant images, colorful maps, interesting facts, and engaging text supported by Smithsonian experts transport readers back in time to meet this terrifying meat eater. |
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By Rob Shone
Powerkids Pr Library Binding (32 pages)
 | List Price: $28.50* Lowest New Price: $28.50* Lowest Used Price: $4.24* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | Product Description: This fast-paced narrative in graphic novel style format will grab your readers' attention as they learn about the Allosaurus, which weighed up to 4 tons. Bewitching photos and graphics with vivid colors enhance the fact-filled front and back matter of this exciting book. |
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By Susan H Gray
Brand: Child's World Library Binding (24 pages)
 | List Price: $27.07* Lowest New Price: $23.65* Lowest Used Price: $4.19* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Used Book in Good Condition
Product Description: Allosaurus was one of the biggest meat-eating dinosaurs to ever live. Learn what this huge hunter looked like, ate, and did all day when it roamed the land. |
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By Jack Wilkin
lulu.com Released: 2016-05-22 Paperback (140 pages)
 | List Price: $8.58* Lowest New Price: $5.13* Lowest Used Price: $5.13* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | Product Description: All we have today of the mighty dinosaurs are their fossils This book is about a remarkable Allosaurus skeleton from Wyoming nicknamed Big Al. Thanks to his completeness and injuries, we know more about Big Al than just about any other dinosaur. 30% off when ordered through Lulu.com |
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By Joanne Mattern
Brand: Weekly Reader Early Learning Paperback (24 pages)
 | List Price: $8.15* Lowest New Price: $8.15* Lowest Used Price: $13.86* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Used Book in Good Condition
Product Description: Provides information about allosaurus, whose name means "the different lizard" because of its backbone, and the way it hunted. |
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By Mike Brown
Brand: Gareth Stevens Pub Library Binding (24 pages)
 | List Price: $19.93* Lowest New Price: $9.20* Lowest Used Price: $4.99* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Used Book in Good Condition
Product Description: Provides a natural history of the ferocious giant carnivores which roamed the marshy terrain of present-day North America during the Late Jurassic Period |
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By Pink Pen Press
CreateSpace Independent Publishing Platform Paperback (160 pages)
 | List Price: $7.99* Lowest New Price: $7.99* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | Product Description:
This composition notebook is specially designed with darker ½ inch spaced lines for those with vision impairment. - Type: Low Vision 1/2 Inch Dark Lined Paper
- Pages: 160 Pages
- Dimensions: 7.44 x 9.69 inches
- Cover: Matte
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By Lucia Raatma
Brand: Cherry Lake Publishing Paperback (24 pages)
 | List Price: $12.79* Lowest New Price: $13.27* Lowest Used Price: $22.34* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Used Book in Good Condition
Product Description: Learn about Allosaurus with this easy-to-read text. |
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By Stephen Cole
Brand: Dutton Juvenile Released: 2001-06-04 Mass Market Paperback (48 pages)
 | List Price: $7.99* Lowest Used Price: $1.55* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Used Book in Good Condition
Product Description: In a lively mix of science and stunning visual images, the life story of a male Allosaurus, whose remains were discovered in Wyoming, follows his tough life from his early days beating out bigger dinosaurs for food to the fierce battles he fought as a teen. Original. |
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By Tim Bradley
Arbordale Publishing Hardcover (32 pages)
 | List Price: $17.95* Lowest New Price: $17.95* Not yet published* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | Product Description: What would it be like to live as a dinosaur? Young readers will discover that dinosaur lives had many similarities to present-day animals: they hatched, ran, hunted, hid from predators, and grew to adulthood. However, the world these creatures from the far past inhabited was very different from that of today; a great example is that a simple thing like grass didnt yet exist. Repetitive sight words make this a great story for beginning readers and dinosaur enthusiasts alike. |
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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 Released: 2018-04-16 Blue and Yellow Toy
 | Lowest New Price: $17.99* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - An authentic dinosaur figurine with realistic design
- Each Roarivore has a sound button that plays their unique dinosaur call
- Perfect size for displaying or playing with
Product Description: Relive the exciting adventures of the Jurassic World movies with this realistic Roarivore action figure!
Featuring articulated arms and legs, realistic sculpting, authentic detail, and dinosaur sounds, this figure is a quality addition to any collector's toybox! Each figure also has its own unique attack move that is iconic to its respective species, such as wing-flapping, head-striking, and chomping.
At Mattel, play matters. We strive to help children learn and develop through play ever since our founding in 1945. Our founders, Ruth and Elliot Handler, as well as the founders of Fisher-Price, American Girl, and our many other brands, all had one thing in common: they were creating the future of play long before we had the words to describe it.
Mattel has a long history of making toys that are memorable, interactive, and encourage learning and fun in children of all ages. With iconic toys like Barbie, Hot Wheels, and American Girl dolls, Mattel has been a time-tested leader of the toy industry and continues to be a "creations" company, where new and innovative ideas are always at the forefront. |
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Jurassic World Toys Released: 2019-04-10 Multicolor Toy
 | Lowest New Price: $35.48* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Medium-sized Jurassic world dual attack dinosaur action figures make battle action come alive with an all-new way to play!
- 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!
- Medium size is perfect for collecting and playing out epic Jurassic world battle-action scenes!
Product Description: Experience Jurassic world dinosaur battle play in a whole new way! Jurassic world dual attack dinosaur action figures come in a medium size and have dual-button activation for fierce battle action iconic to each respective species! For example, push the back button and the tail strikes; press the front button and the head strikes! You can also press both buttons at the same time for dual tail and head-striking action! These dinosaur action figures have movie-inspired sculpting, an articulated head and tail, authentic color and realistic texture. Recreate all the epic Jurassic world battle action scenes with these dual attack dinosaur action figures that are medium size and perfect for collecting! Choose from the concavenator, Parasaurolophus, Triceratops action figures and more (Each sold separately, subject to availability). each dinosaur comes with a cool Dino rivals collector card detailing Its key battle stats and attributes. For more dinosaur fun, download the Jurassic world facts app (Android and iOS) to scan and watch each dinosaur come to life, learn attack facts, compare stats and more! |
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Fallen Kingdom Multi-colored Toy
 | Lowest New Price: $25.70* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Inspired by the movie, Roarivores dinosaur action figures feature push button sound activation and signature attack moves iconic to their respective species
- Each dinosaur figure has articulated arms and legs, realistic sculpting and authentic decoration
Product Description: Fallen Kingdom Jurassic World Allosaurus Dinosaur Posable Figure 6" 2018 |
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MOJO Mixed Toy
 | Lowest New Price: $10.95* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Hand painted.
- Collectable, educational and ideal for school diorama projects.
- Made to the highest specifications using the finest materials.
Product Description: Mojo Allosaurus Toy Figure |
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By Schleich
Schleich North America Accessory
 | Lowest New Price: $14.95* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Hand painted
- Educational value
Product Description: All Schleich figures are lovingly hand-painted with detailed modelling and allow children to learn as they play. Allosaurus was one of the largest carnivorous dinosaurs. |
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Papo Released: 2019-01-30 Multi Toy
 | List Price: $31.79* Lowest New Price: $28.14* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Stimulate and inspire imagination of children
- Designed in France
- Highly detailed and durable
Product Description: Imagine your own Jurassic time with Papo highly detailed dinosaurs. The wide range of dinosaurs will let children create their own adventures including the legendary T-Rex, the velociraptor, the pteranodon, the triceratops and more. Papo is a reference in the world of figurines thanks to the originality of its products and the extreme care taken with product quality and safety. In an age of mass consumption and throwaway goods, Papo remains true to its wish to produce fine toys that last over time and can be passed on from generation to generation. The range of products offers a wealth of 12 different universes ranging from animals made with astonishing degrees of realism to original characters from imaginary worlds. |
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rainbow yuango No.16005 Toy
 | Lowest New Price: $14.35* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - Dinosaurs toy measures about 19"L*7.5"W*10"H(48cm*19cm*26cm). Weight:350G. Suit for Age 3+. The colors used for outer appearance gives a real effect. Children learn about different kinds of Dinosaurs.
- Helps improve baby's hand-eye coordination and encourages imaginative play. Imaginative play is vital for development. Brightly colored and the perfect size for babies little hands to hold.
- A variety of bright colors and realistic model can exercise child's sensitivity to the dinosaurs. It helps develop child's mind, creativity and thinking ability and train their hand-eye-coordination and hand flexibility by their own operation.
Product Description: Excellent Quality:Made of Vinyl Plastic. Clean: First wipe it with a wet cloth to remove any dirt or left the rubber toy to soak. Package Included:One Dinosaurs Toy Benefit:Bright colors for visual stimulation. -Different textures for tactile exploration. -Perfectly sized for baby's hands. -Develops hand-eye coordination and gross motor skills. -Promotes sensory development. -Introduces social development through interactive play. -Sparks the imagination. Gift:Best choice for birthday, holidays, graduation, Christmas, and any other kids¡¯ education occasions. Great For Party Favors, Kids Birthdays. Note: 1.The actual product maybe slightly different from the picture shown due to lighting and the color setting of each individual monitor. Please Allow the Slight Color Difference. 2.All the sizes are for your reference only. 1~2 cm data error is allowed. Thank you for your understanding. (Please note 1cm=0.39inch)
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Lana Toys Primary Toy
 | Lowest New Price: $66.99* Usually ships in 3-5 weeks* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - ✅【Size】 Allosaurus: Length 30 cm, Height 16 cm / 11.8 x 6.3 inches
- ✅【Feature】 Dinosaur Toy, Animal figure, Stand on the Platform, Realistic, Blue Tongue, Pool Base, Estimated Shipping Time: In Early January 2019
- ✅【Detail】 High detailed and Beautifully Finished.
Product Description: Special Price! New Arrival Sale! Character: Allosaurus Scale: 1/35 Feature: Blue Tongue, Pool Base Allosaurus Size: Length 30 cm, Height 16 cm / 11.8 x 6.3 inches Material: Resin, PVC Estimated Shipping Time: In Early January 2019 WARNING: Small parts inside. Choking hazard. Not suitable for children under the age of 14.
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Ailejia Allosaurus Toy
 | Lowest New Price: $14.98* Usually ships in 24 hours* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - √ Don't worry about children being scratched by dinosaur toys, because the joints ( head / limbs / tail ) of dinosaur toys are soft.;Dinosaur toys don't break easily.
- √ Size -- 11.4"×4.3"×2(29*11*5 CM); Size is very suitable for children to play, if Too large a size will make it difficult for children to take away their toys, Too small a size will make the toys easy to lose.
- √ It's definitely a gift that children like, a lifelike shape that can satisfy their curiosity about dinosaurs;Help children understand Cretaceous animals.
Product Description: big dinosaur children will like it and take it to school to share with their classmates.Ideal Dinosaur Themed Birthday Party Gift Size-- 11.4"×4.3"×2(29*11*5 CM) Packing-- Gift Box Packaging of Transparent PVC Material, not hollow |
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Takara Tomy / Academy Blue Toy
 | Lowest New Price: $24.99* Usually ships in 4-5 business days* *(As of 19:38 Pacific 15 Dec 2019 More Info)
Click Here | - 100% Official, Genuine Product. Own the Wonderful Dinosaurs Appeared in Jurassic World: Fallen Kingdom
- Package Size: 5.1 x 2.7 x 2.7 inches
Product Description: Brand New. 5" mini size but in great details. The product package is Korean version. Imported from Takara Tomy in Japan. Early released in Korea. |
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