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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 Rebecca Sabelko
Epic Released: August 1st, 2020 Paperback (24 pages)
 | Lowest New Price: $6.99* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Allosaurus (The World of Dinosaurs)- Manufacturer: Bellwether Media
- Brand: Epic
- ISBN: 1681038358
- EAN: 9781681038353
Details:- Paperback
- Format: Special Edition
- Number of Pages: 24
- Author: Rebecca Sabelko
- Publication Date: August 1st, 2020
- Release Date: August 1st, 2020
Physical Description:- Size: 8.75 Inches by 7.0 Inches by 0.25 Inches
- Weight: 0.15 Pounds
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By Sally Ann Lee
Capstone Press Released: January 1st, 2015 Paperback (32 pages)
 | Lowest New Price: $6.95* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 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 Tim Bradley
Arbordale Publishing, LLC Released: January 21st, 2020 Paperback (32 pages)
 | Lowest New Price: $9.95* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: I am Allosaurus (I Am Prehistoric)- Manufacturer: Arbordale Publishing
- Brand: Arbordale Publishing, LLC
- ISBN: 1643517546
- EAN: 9781643517544
Details:- Paperback
- Format: Picture Book
- Number of Pages: 32
- Author: Tim Bradley
- Publication Date: January 21st, 2020
- Release Date: January 21st, 2020
Physical Description:- Size: 9.8 Inches by 8.4 Inches by 0.3 Inches
- Weight: 0.4 Pounds
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By Rob Shone
PowerKids Press Released: August 30th, 2009 Library Binding (32 pages)
 | Lowest New Price: $30.27* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Allosaurus: The Strange Lizard (Graphic Dinosaurs)- Manufacturer: Powerkids Pr
- 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: 10.75 Inches by 9.0 Inches by 0.25 Inches
- Weight: 0.88 Pounds
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By Helen Frost
Brand: Pebble Plus Released: January 1st, 2005 Library Binding (24 pages)
 | List Price: $26.65* Lowest Used Price: $4.95* In stock. Usually ships within 3 to 4 days.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Allosaurus (Dinosaurs and Prehistoric Animals)- Manufacturer: Capstone Press
- Brand: Brand: Pebble Plus
- ISBN: 0736836462
- EAN: 9780736836463
- PartNumber: illustrations
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Helen Frost
- Publication Date: January 1st, 2005
- Release Date: January 1st, 2005
Physical Description:- Size: 8.99999999082 Inches by 10.99999998878 Inches by 0.31102362173 Inches
- Weight: 0.7495716908 Pounds
Features:- Used Book in Good Condition
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By Tracy Lee Ford
Independently published Released: May 2nd, 2019 Paperback (74 pages)
 | Lowest New Price: $9.00* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Allosaurus (Paleo Profiles)- Manufacturer: Independently published
- ISBN: 1096719517
- EAN: 9781096719519
Details:- Paperback
- Number of Pages: 74
- Author: Tracy Lee Ford
- Publication Date: May 2nd, 2019
- Release Date: May 2nd, 2019
Physical Description:- Size: 11.0 Inches by 8.5 Inches by 0.19 Inches
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By Ron Wilson
Brand: Rourke Pub Group Library Binding
 | List Price: $15.93* Lowest Used Price: $5.48* In stock. Usually ships within 3 to 4 days.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Allosaurus (Dinosaur Lib Series)- Manufacturer: Rourke Pub Group
- Brand: Brand: Rourke Pub Group
- ISBN: 0865922063
- EAN: 9780865922068
Details:- Product Category: Library Binding
- Author: Ron Wilson
Physical Description:- Size: 10.5 Inches by 7.75 Inches by 0.25 Inches
- Weight: 0.6 Pounds
Features:- Used Book in Good Condition
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By Allan Dipalma
Independently published Released: September 13th, 2020 Paperback (138 pages)
 | Lowest New Price: $19.95* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Allosaurus & Diplodocus- Manufacturer: Independently published
- EAN: 9798682566525
Details:- Paperback
- Number of Pages: 138
- Author: Allan Dipalma
- Publication Date: September 13th, 2020
- Release Date: September 13th, 2020
Physical Description:- Size: 6.87 Inches by 4.25 Inches by 0.33 Inches
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By Janet Riehecky
Brand: Childs World Library Binding (32 pages)
 | List Price: $21.36* Lowest Used Price: $3.98* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Allosaurus- Manufacturer: The Childs World Inc
- Brand: Brand: Childs World
- ISBN: 0895654210
- EAN: 9780895654212
Details:- Product Category: Library Binding
- Number of Pages: 32
- Authors: Janet Riehecky, Child's World
Physical Description:- Size: 10.5 Inches by 8.5 Inches by 0.5 Inches
- Weight: 0.65 Pounds
Features:- Used Book in Good Condition
Click here for more information |
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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 Multi_color Accessory
 | Lowest New Price: $45.96* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Jurassic World Toys 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
- Color: Multi_color
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.
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gemini&genius Allosaurus Toy
 | Lowest New Price: $13.99* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Gemini & Genius Dinosaur 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:- 【Ideal toy or display model】Has Movable Lower Jaw For Multiple Positions For Display Or Play. So many great toys that are not only meant to be played with, but will also satisfy a collector’s heart! It’s ideal not only as a toy, but also as a display model. Great gifts, Collection, Cake Topper, Role-play, Storytelling props, Birthday party supplies and room decoration for kids 3 years old and up
- 【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】The dinosaur is of excellent quality and can withstand regular play and rough storage and it still holds its shape well. 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 45 Paul the Allosaurus Toy
 | Lowest New Price: $38.99* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: PNSO Prehistoric Dinosaur Models:45 Paul The Allosaurus- Manufacturer: PNSO
- Brand: PNSO
- Model: PNSO
- EAN: 6974180730245
- PartNumber: PNSO
Details:Physical Description:- Size: 6.0 Inches by 12.0 Inches by 8.0 Inches
- 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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MOJO Mixed Toy
 | List Price: $19.99* Lowest New Price: $17.99* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: MOJO Allosaurus Realistic Dinosaur Toy Replica Hand Painted Figurine- Manufacturer: MOJO
- Brand: MOJO
- Model: 387274
- EAN: 5031923872745
- PartNumber: 387274
Details:Physical Description:- Size: 3.34645 Inches by 7.0866 Inches by 2.95275 Inches
- Weight: 0.19 Pounds
- Color: Mixed
Features:- Toy Allosaurus figurine
- Hand painted. Highly detailed and true to life
- Collectable, educational and ideal for school diorama projects
- The perfect gift for enquiring minds
- Made to the highest specifications using the finest materials. MOJO Toy Figurines are Distributed by Legler Toys USA Inc.
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MOJO Mixed Toy
 | List Price: $19.99* Lowest New Price: $12.99* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: MOJO Allosaurus with Articulated Jaw Realistic Dinosaur Hand Painted Toy Figurine- Manufacturer: MOJO
- Brand: MOJO
- Model: 387383
- EAN: 5031923873834
- PartNumber: 387383
Details:Physical Description:- Size: 6.88976377952756 Inches by 2.16535433070866 Inches by 6.45669291338583 Inches
- Weight: 0.213848394319331 Pounds
- Color: Mixed
Features:- PREMIUM QUALITY: This figurine is a highly detailed, hand-painted, realistic depiction of an Allosaurus with an Articulated Jaw sculpted by MOJO artisans
- COLLECTABLE & EDUCATIONAL: This toy figurine is both collectable and educational. Since each MOJO figurine is hand-painted, each one is truly one of a kind! The attention to detail of each figurine makes MOJO figurines ideal for school diorama projects
- PREHISTORIC DINOSAUR COLLECTION: This Allosaurus with an Articulated Jaw is part of a large assortment of animal figurines from our MOJO Prehistoric Extinct Dinosaur Collection. Collect them all
- MOJO Toy Figurines are Distributed by Legler Toys USA Inc Designed and suitable for ages 3+ years
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Papo Multi Toy
 | Lowest New Price: $29.10* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Papo - Hand-Painted - Dinosaurs - Allosaurus - 55078 - Collectible - for Children - Suitable for Boys and Girls - from 3 Years Old- 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:- STIMULATES IMAGINATION - PAPO figurines enable children to invent new stories every day; They help develop their curiosity and stimulate their imagination
- LEARNING SUPPORT - Children aged 3 and over can discover the world around them through the many animals and characters, which provide a fun and comprehensive entertainment medium
- EXTREMELY DETAILED - Papo offers ultra-realistic figurines for real immersion in each universe; The accuracy of the postures, the faithful reproduction of the animal and the attention to detail really bring the PAPO figurines to life!
- HAND PAINTED FIGURINES - All PAPO figures are hand painted to provide a very high level of detail and finish; DISCOVER THE WORLD OF PAPO - Wild animals, sea animals, farm animals, horses, dinosaurs, knights, dragons, princesses, unicorns and much more
- FRENCH CREATION AND KNOW-HOW - All Papo creations are designed and developed in France, with the constant aim of providing a high quality play and learning medium
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Qoadwem
 | Lowest New Price: $16.99* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Allosaurus Dinosaur Cake Toppers With Tutu And Dress, Allosaurus Dinosaur Cake Topper With Tutu Party Hat For Girls Jungle Dinosaur Birthday Party Decorations…- Manufacturer: Qoadwem
- Brand: Qoadwem
- Model: Style 1
- PartNumber: HS-74
Physical Description:- Size: 3.14 Inches by 5.9 Inches by 1.18 Inches
- Color: A
Features:- ✨The allosaurus dinosaur cake topper included:1pcs x allosaurus dinosaur, 1pcx party animal hats, 1pcx handmade tutu dress . Size is same as picture. Handmade products cannot be 100% perfect. If you are very strick with the quality, pls thick twice before ordering.
- ✨Material: the allosaurus dinosaur with tutu and party hat cake topper are made of non-toxic plastic and BPA-free material, safe for children. The cute unique party dinosaur figures with tutu is solid with hand-made coloring craft.
- ✨ Great early education toy, suitable for children over 3 years old.Washable, durable and lasts for several years
- ✨【Suitable for Many Occasions】:The dinosaur cake topper for girls are suitable for allosaurus dinosaur theme birthday party, such as baby showers, bath toys, party decorations, game toys, model ornaments series, etc,
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Jurassic World Toys Multicolor Toy
 | List Price: $129.99* Lowest New Price: $114.55* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 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 13.0 Inches by 3.2 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!
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Ailejia Allosaurus Toy
 | List Price: $17.98* Lowest New Price: $16.98* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 More Info)
Click Here | Description: Ailejia Big Allosaurus Jurassic Dinosaurs Toys Educational Dinosaurs Park Model for Children Gift Dinosaur (Allosaurus)- Manufacturer: Ailejia
- Brand: Ailejia
- UPC: 714035829528
- EAN: 0714035829528
- PartNumber: TPR333
Details:Physical Description:- Size: 11.417322823 Inches by 4.330708657 Inches by 1.968503935 Inches
- Color: Allosaurus
Features:- √ 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.
- √ Material -- Soft plastic(Safety and innocuity);The body of the toy is slightly hard and the other joints are soft; the joints are not easily broken. not hollow
- √ 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.
- √ Children can take dinosaurs to school to play dinosaur games with their classmates and increase their friendship with their classmates or partners.
- √ It's definitely a gift that children like, a lifelike shape that can satisfy their curiosity about dinosaurs;Help children understand Cretaceous animals.
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Jurassic World Toys Toy
 | Lowest New Price: $95.94* In Stock.* *(As of 02:23 Pacific 8 Jun 2023 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.
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