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Tyrannosaurus rex
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Tyrannosaurus rex was a large
Theropod dinosaur. The animal was a
carnivore (meat-eater), and lived in North America and Asia
during late Cretaceous period,
about 67 to 65 million years ago.
It was one of the last dinosaurs, and probably went
extinct
during the the
Cretaceous-Tertiary mass
extinction.
An average Tyrannosaurus was about about 39 feet (11.9 meters) long, up to
20 feet (6.1 meters) tall, and weighed around 7 tons.
Until the mid-1990s, it was generally thought that Tyrannosaurus was the largest
land predator ever. Then, scientists discovered
Giganotosaurus which
lived was a 45 feet (13.8 meter) long carnivore that lived in Argentina about 100
million years ago. New research, first published in
2006, now suggests
that
Spinosaurus may have been even
larger still: upto 51 feet (17 meters) long.
Since the 1960s, some scientists have argued that Tyrannosaurus was not
a fearsome predator, but a slow-moving scavenger, that fed on carcasses
killed by other carnivores.
However, other scientists
argue that the possibility of binocular vision (Tyrannosaurus rex has
two forward facing eyes), and the relatively large areas of the
brain associated with sight and smell, suggest it must have been an active predator.
Tyrannosaurus rex arm bones:
The name Tyrannosaurus rex
was chosen by
Henry Fairfield Osborn
in
1905,
and like most scientific names of animals is derived from Ancient Greek.
"Tyrannosaurus" means "tyrant lizard",
"rex" means "king", and hence in combination
"Tyrannosaurus rex" means
"tyrant king lizard".
Tyrannosaurus rex skull:
Tyrannosaurus rex Timeline:
Tyrannosaurus rex was a carnivore (meat-eater) that lived from 67 to 65 million years ago
Related Information & Resources
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Tyrannosaurus rex Facts
Here is a summary of some of the key facts about Tyrannosaurus rex:
- Tyrannosaurus rex was a species of dinosaur.
- "Tyrannosaurus rex" means "tyrant lizard king". This name was chosen by Henry Fairfield Osborn in 1905.
- Tyrannosaurus rex was a member of the Saurischia ("lizard-hipped") order of dinosaurs. What this means, is that although Tyrannosaurus rex was not closely related to lizards, it did have similarly shaped pelvic bones.
- Tyrannosaurus rex was a Theropod - a member of a group of related bipedal dinosaurs that included the ancestors of birds (although Tyrannosaurus rex was not itself an ancestor of birds).
- Tyrannosaurus rex lived between about 67 million years ago and 65 million years ago, during the late Cretaceous period.
- Tyrannosaurus rex was one of the dinosaurs which died out during the Cretaceous-Tertiary mass extinction at the end of the Mesozoic Era.
- Tyrannosaurus rex lived in North America and Asia.
- Tyrannosaurus rex was a carnivore (meat-eater).
- Some scientists think that Tyrannosaurus rex was probably a scavenger, but others think it was an active predator.
- Tyrannosaurus rex was about 39 feet (11.9 meters) long, and about 20 feet (6.1 meters) tall.
- Tyrannosaurus rex weighed about 7 tons.
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Tyrannosaurus rex Books
Here are some books from Amazon.com:
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By A. L. Wegwerth
Capstone Press
Released: July 1st, 2014
Paperback (32 pages)
 | Lowest New Price: $6.95*
In Stock*
*(As of 18:04 Pacific 22 Sep 2023 More Info)
Click Here | Description:
Tyrannosaurus Rex (Little Paleontologist)- Manufacturer: Capstone Press
- Brand: Capstone Press
- ISBNs: 9781491408223, 1491408227
- EAN: 9781491408223
- PartNumber: illustrations
Details:- Paperback
- Number of Pages: 32
- Author: A. L. Wegwerth
- Publication Date: July 1st, 2014
- Release Date: July 1st, 2014
Physical Description:- Size: 8.75196849501 inches by 7.75196849603 inches by 0.12598425184 inches
- Weight: 0.2 pounds
Click here for more information |
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By Dougal Dixon
Templar Publishing
Released: November 14th, 2019
Hardcover (16 pages)
 | Lowest New Price: $30.87*
In Stock*
*(As of 18:04 Pacific 22 Sep 2023 More Info)
Click Here | Description:
Tyrannosaurus rex: A Pop-Up Guide to Anatomy (Pop Up Book)- Manufacturer: Templar Publishing
- Brand: Templar Publishing
- ISBN: 1787413349
- EAN: 9781787413344
- PartNumber: 9781787413344
Details:- Hardcover
- Number of Pages: 16
- Author: Dougal Dixon
- Publication Date: November 14th, 2019
- Release Date: November 14th, 2019
Physical Description:- Size: 12.79525 Inches by 9.64565 Inches by 0.98425 Inches
- Weight: 1.6203976257 pounds
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By Rebecca Sabelko
Bellwether Media
Released: August 1st, 2019
Paperback (32 pages)
 | Lowest New Price: $7.99*
In Stock*
*(As of 18:04 Pacific 22 Sep 2023 More Info)
Click Here | Description:
Tyrannosaurus Rex (The World of Dinosaurs)- Manufacturer: Bellwether Media
- Brand: Bellwether Media
- ISBN: 1618917374
- EAN: 9781618917379
Details:- Paperback
- Edition: Illustrated
- Number of Pages: 32
- Author: Rebecca Sabelko
- Publication Date: August 1st, 2019
- Release Date: August 1st, 2019
Physical Description:- Size: 8.75 inches by 7.25 inches by 0.25 inches
- Weight: 0.25 pounds
Click here for more information |
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By Jerry Pallotta
Scholastic Inc
Released: December 29th, 2015
Paperback (32 pages)
 | Lowest New Price: $3.99*
In Stock*
*(As of 18:04 Pacific 22 Sep 2023 More Info)
Click Here | Description:
Who Would Win? Tyrannosaurus Rex vs. Velociraptor- Manufacturer: Scholastic Inc.
- Brand: Scholastic Inc
- ISBN: 0545175739
- EAN: 9780545175739
- PartNumber: illustrations
Details:- Paperback
- Edition: Reprint
- Number of Pages: 32
- Author: Jerry Pallotta
- Publication Date: December 29th, 2015
- Release Date: December 29th, 2015
Physical Description:- Size: 9.25 Inches by 6.0 Inches by 0.25 Inches
- Weight: 0.15 pounds
Click here for more information |
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By Campbell Books
Campbell Books
Released: August 1st, 2023
Board book (10 pages)
 | Lowest New Price: $8.99*
Available to ship in 1-2 days*
*(As of 18:04 Pacific 22 Sep 2023 More Info)
Click Here | Description:
Tyrannosaurus rex (Hello Dinosaur)- Manufacturer: Campbell Books
- ISBN: 1035016214
- EAN: 9781035016211
Details:- Product Category: Board book
- Number of Pages: 10
- Author: Campbell Books
- Publication Date: August 1st, 2023
- Release Date: August 1st, 2023
Physical Description:- Size: 7.1 inches by 7.15 inches by 0.5999988 inches
- Weight: 0.220462262 pounds
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By Douglas Rees
Henry Holt & Company
Released: September 26th, 2017
Hardcover (40 pages)
 | List Price: $19.99*
Lowest New Price: $10.99*
In Stock*
*(As of 18:04 Pacific 22 Sep 2023 More Info)
Click Here | Description:
Tyrannosaurus Rex vs. Edna the Very First Chicken- Manufacturer: Henry Holt and Co. (BYR)
- Brand: Henry Holt & Company
- ISBN: 1627795103
- EAN: 9781627795104
- PartNumber: Illustrated
Details:- Hardcover
- Format: Picture Book
- Number of Pages: 40
- Author: Douglas Rees
- Publication Date: September 26th, 2017
- Release Date: September 26th, 2017
Physical Description:- Size: 11.25 inches by 9.35 inches by 0.370078 inches
- Weight: 0.98326168852 pounds
Click here for more information |
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Indiana University Press
Released: July 17th, 2008
Hardcover (456 pages)
 | List Price: $49.95*
Lowest New Price: $44.13*
In Stock*
*(As of 18:04 Pacific 22 Sep 2023 More Info)
Click Here | Description:
Tyrannosaurus rex, the Tyrant King (Life of the Past)- Manufacturer: Indiana University Press
- Brand: Indiana University Press
- ISBN: 0253350875
- EAN: 9780253350879
- PartNumber: 215 b&w photos
Details:- Hardcover
- Format: Download: Adobe Reader
- Edition: HAR/CDR
- Number of Pages: 456
- Publication Date: July 17th, 2008
- Release Date: July 17th, 2008
Physical Description:- Size: 10.0 inches by 7.0 inches by 1.25 inches
- Weight: 2.46035884392 pounds
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By Amy Allatson
Kidhaven Publishing
Released: July 30th, 2017
Library Binding (24 pages)
 | List Price: $26.23*
Lowest New Price: $16.94*
In Stock*
*(As of 18:04 Pacific 22 Sep 2023 More Info)
Click Here | Description:
Tyrannosaurus Rex (All About Dinosaurs)- Manufacturer: Kidhaven
- Brand: Kidhaven Publishing
- ISBN: 1534521747
- EAN: 9781534521742
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Amy Allatson
- Publication Date: July 30th, 2017
- Release Date: July 30th, 2017
Physical Description:- Size: 8.75 inches by 8.5 inches by 0.5 inches
- Weight: 0.6 pounds
Click here for more information |
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