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Pachycephalosaurus
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Pachycephalosaurus was a herbivore (plant-eating) dinosaur that
lived during the late Cretaceous period,
about 76 to 65 million years ago,
in North America.
It was one of the dinosaurs that died out in the Cretaceous-Tertiary
extinction,
65 million years ago.
The name Pachycephalosaurus means "thick-headed lizard",
and describes the creature's most noteworthy feature:
the huge 10 inch (25 centimeter) thick
bone dome on its head. At the rear of the dome were a number of bony knobs,
and the animal's snout also possessed several short bony spikes.
This has led most scientists to conclude that the animal was probably
related to the
Ceratopsians
(which include
Protoceratops,
Psittacosaurus,
Styracosaurus
and
Triceratops),
although unlike most
Ceratopsians,
Pachycephalosaurus is believed to have been bipedal.
It was once thought that Pachycephalosaurus would have used the dome
on its head either to engage in butting contests for mates (similar to
modern big-horned sheep), or to defend against predators. However,
it is now believed that this could not have been the case:
the head bones do not appear to be strong enough for such impacts,
the skulls lack shock absorbing features, and there no evidence of
scars or other damage have been found on
fossilized
Pachycephalosaurus skulls.
Another somewhat unusual feature of Pachycephalosaurus is its teeth.
The animal had very small ridged teeth which would have been
far less capable of chewing tough, fibrous plant material than
other herbivorous dinosaurs of the late Cretaceous. It is therefore
thought that perhaps Pachycephalosaurus lived on a diet of
leaves, seeds, fruit and perhaps insects.
So far, only the skull of Pachycephalosaurus has been discovered.
Scientists estimate that the fully grown creature was 15 feet (4.6 meters) long,
and weighed about 950 pounds (430 kilograms).
They have come up with these figures by examining
the skull and extrapolating the likely size on the creature based on
the head-to-body ratios of its close relatives.
Pachycephalosaurus Timeline:
Pachycephalosaurus was a herbivore (plant-eater) that lived from 76 to 65 million years ago
Related Information & Resources
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Pachycephalosaurus Facts
Here is a summary of some of the key facts about Pachycephalosaurus:
- Pachycephalosaurus was a genus of dinosaur.
- "Pachycephalosaurus" means "thick-headed lizard". This name was chosen by Barnum Brown and Erich Maren Schlaikjer in 1943.
- Pachycephalosaurus was a member of the Ornithischia ("bird-hipped") order of dinosaurs. What this means, is that although Pachycephalosaurus was not closely related to birds, it did have similarly shaped pelvic bones.
- Pachycephalosaurus was a Pachycephalosaur - a member of a group of related herbivorous (plant-eating) dinosaurs with bony domes on their heads.
- Pachycephalosaurus lived between about 76 million years ago and 65 million years ago, during the late Cretaceous period.
- Pachycephalosaurus was one of the dinosaurs which died out during the Cretaceous-Tertiary mass extinction at the end of the Mesozoic Era.
- Pachycephalosaurus lived in North America.
- Pachycephalosaurus was a herbivore (plant-eater).
- Pachycephalosaurus was about 15 feet (4.6 meters) long.
- Pachycephalosaurus weighed about 950 pounds (430 kilograms).
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Pachycephalosaurus 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 Rob Shone
PowerKids Press
Released: August 30th, 2011
Library Binding (32 pages)
 | Lowest New Price: $28.50*
In Stock.*
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Click Here | Description:
Pachycephalosaurus (Graphic Dinosaurs)- Manufacturer: PowerKids Press
- Brand: PowerKids Press
- ISBN: 1448852528
- EAN: 9781448852529
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Rob Shone
- Publication Date: August 30th, 2011
- Release Date: August 30th, 2011
Physical Description:- Size: 11.1 Inches by 9.3 Inches by 0.3 Inches
- Weight: 0.85 Pounds
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By Daniel Cohen
Brand: Bridgestone Books
Released: January 1st, 2004
Library Binding (24 pages)
 | List Price: $23.32*
Lowest Used Price: $6.30*
In Stock.*
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Pachycephalosaurus (Discovering Dinosaurs)- Manufacturer: Capstone Press
- Brand: Brand: Bridgestone Books
- ISBN: 0736825231
- EAN: 9780736825238
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Daniel Cohen
- Publication Date: January 1st, 2004
- Release Date: January 1st, 2004
Physical Description:- Size: 7.99999999184 Inches by 8.12598424368 Inches by 0.31102362173 Inches
- Weight: 0.5 Pounds
Features:- Used Book in Good Condition
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By Frances Swann
Brand: Rourke Pub Group
Library Binding
 | List Price: $21.93*
Lowest Used Price: $5.95*
In stock. Usually ships within 3 to 4 days.*
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Click Here | Description:
Pachycephalosaurus (Dinosaur Library)- Manufacturer: Rourke Pub Group
- Brand: Brand: Rourke Pub Group
- ISBN: 0865925267
- EAN: 9780865925267
Details:- Product Category: Library Binding
- Author: Frances Swann
Physical Description:- Size: 10.75 Inches by 7.75 Inches by 0.5 Inches
- Weight: 0.6 Pounds
Features:- Used Book in Good Condition
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By Janet Riehecky
The Childs World Inc
Library Binding
 | List Price: $21.36*
Lowest Used Price: $0.74*
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Click Here | Description:
Pachycephalosaurus : Dinosaurs Series- Manufacturer: The Childs World Inc
- ISBN: 0895656329
- EAN: 9780895656322
Details:- Product Category: Library Binding
- Author: Janet Riehecky
Physical Description:- Size: 10.5 Inches by 8.5 Inches by 0.5 Inches
- Weight: 0.65 Pounds
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By Henley Miller
Cavendish Square Publishing
Released: January 16th, 2014
Library Binding (32 pages)
 | Lowest New Price: $29.50*
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.*
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Click Here | Description:
Meet Pachycephalosaurus (Age of Dinosaurs)- Manufacturer: Cavendish Square Publishing
- Brand: Cavendish Square Publishing
- ISBN: 1627126163
- EAN: 9781627126168
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Henley Miller
- Publication Date: January 16th, 2014
- Release Date: January 16th, 2014
Physical Description:- Size: 10.2 Inches by 8.2 Inches by 0.4 Inches
- Weight: 0.85 Pounds
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By Fabio Marco
Blackbirch
Released: April 6th, 2007
Hardcover (32 pages)
 | List Price: $25.65*
Lowest Used Price: $4.75*
In stock. Usually ships within 3 to 4 days.*
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Pachycephalosaurus (Dinosaur Profiles)- Manufacturer: Blackbirch
- ISBN: 1410307417
- EAN: 9781410307415
Details:- Hardcover
- Number of Pages: 32
- Authors: Fabio Marco, Dalla Vecchia
- Publication Date: April 6th, 2007
- Release Date: April 6th, 2007
Physical Description:- Size: 9.0 Inches by 8.5 Inches by 0.25 Inches
- Weight: 0.65 Pounds
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By Michael P. Goecke
Buddy Books
Released: January 1st, 2007
Library Binding (32 pages)
 | List Price: $27.07*
Lowest Used Price: $25.57*
In Stock.*
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Pachycephalosaurus (Dinosaurs Set 4)- Manufacturer: Buddy Books
- ISBN: 1599286998
- EAN: 9781599286990
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Michael P. Goecke
- Publication Date: January 1st, 2007
- Release Date: January 1st, 2007
Physical Description:- Size: 8.5 Inches by 7.5 Inches by 0.5 Inches
- Weight: 0.51 Pounds
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Pachycephalosaurus 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.
SCHLEICH
Accessory
 | Lowest New Price: $19.99*
In Stock.*
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Schleich Dinosaurs, Dinosaur Toy, Dinosaur Toys for Boys and Girls 4-12 years old, Pachycephalosaurus- Manufacturer: Schleich
- Brand: SCHLEICH
- Model: 15024
- EAN: 4059433276878
- PartNumber: 15024
Details:- Product Category: Accessory
Physical Description:- Size: 8.5 Inches by 4.3 Inches by 2.6 Inches
- Weight: 0.254 Pounds
Features:- DESIGNED FOR PLAY. The Pachycephalosaurus dinosaur toy is a lifelike model of the dinosaur that lived during the Late Cretaceous period
- DETAILED and REALISTIC. Schleich dinosaur toys are modeled in the finest and most realistic detail to help children learn while they play
- PART OF A GROWING PLAY WORLD The Pachycephalosaurus is part of the toy Dinosaurs collection of figurines and playsets from Schleich and is a great gift for boys and girls ages 4 through 12
- BUILT TO LAST As an 85-year-old German toy company, our toys are manufactured with the highest standard of quality and safety and all products and materials meet or exceed the strictest applicable safety requirements
- EXPERT APPROVED “Schleich playsets and figurines inspire kids to play imaginatively: an essential part of healthy childhood development so often overlooked in today’s fast-paced world.” - Dr. Sandra Stone, open-ended play expert
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PNSO
 | Lowest New Price: $30.99*
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PNSO Prehistoric Dinosaur Models: (46 Austin The Pachycephalosaurus)- Manufacturer: PNSO
- Brand: PNSO
- EAN: 6974180730269
- PartNumber: PNSO
Physical Description:- Color: 46 Austin the Pachycephalosaurus
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.
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Jurassic World Toys
Multi Toy
 | Lowest New Price: $52.52*
In Stock.*
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Click Here | Description:
Jurassic World Savage Strike Pachycephalosaurus Figure in Smaller Size with Unique Attack Moves Like Biting, Head Ramming, Wing Flapping, Articulation and More- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: GKG13
- UPC: 887961825725
- EAN: 0887961825725
- PartNumber: GKG13
Details:Physical Description:- Size: 4.72 Inches by 1.97 Inches by 6.69 Inches
- Color: Multi
Features:- Play out the ultimate in dinosaur rivalry and battle with Jurassic World Savage Strike dinosaur action figures!
- Featured in a smaller size but packing a Savage Strike, these dinosaur action figures have an attack move iconic to their respective species.
- Use Savage Strike attack moves like biting, head ramming, wing flapping and more to play out movie action scenes!
- Each dinosaur action figure is activated by pressing an area on the body to create a Savage Strike move (varies per dinosaur).
- These fierce dinosaur action figures feature articulated arms and legs, realistic sculpting and authentic decoration capturing all the excitement of the movie. Battle it out—Savage Strike style—with these fierce action figures!
- Includes informative Dino Rivals collector card 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 your dinosaurs and watch them come to life, learn attack facts, compare stats and more!
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Playskool
Multi-colored Toy
 | Lowest New Price: $24.97*
In Stock.*
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Playskool Heroes Jurassic World Pachycephalosaurus- Manufacturer: Hasbro
- Brand: Playskool
- Model: B3864AS0
- UPC: 630509353057
- EAN: 0630509353057
- PartNumber: B3864AS0
Details:Physical Description:- Size: 7.52 Inches by 1.811 Inches by 4.488 Inches
- Color: Multi-colored
Features:- Dino figure looks like a powerful Pachycephalosaurus
- Figure has awesome head-bobbing action
- Dino figure is sized just right for little hands
- Action figure scale: 2.5 inches
- Includes Pachycephalosaurus figure.
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Flormoon
 | Lowest New Price: $13.99*
In Stock.*
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Click Here | Description:
FLORMOON Dinosaur Toys Realistic Vinyl Pachycephalosaurus Dinosaur Figurines, Science Project, Learning Educational Toys, Birthday Gift, Cake Topper for Kids (Cotton Filled)- Manufacturer: FLORMOON
- Brand: Flormoon
- UPC: 707025767849
- EAN: 0707025767849
- PartNumber: FLM-13083-0517
Physical Description:- Weight: 0.2425084882 Pounds
Features:- Safety Material - Our Animal Figures Playset Was Made of High Quality Durable Abs Plastic, Non-toxic Paint and Odorless. All by Safety Meterials for Kids.
- Great Gift for Kids Age 3 and Up - It's an Awesome Birthday Gift or Prize for Kids and Great Action Figures to Play with and Also Look Great As Kid's Room Decoration. They Are Worth to Be Collected, Decorating Children's Bookcase and Desk.
- Early Educational Toys - These Were Great For Education Purposes, Creative Play, Party Favors And Crafts. It Will Help To Improve Children's Concentration And Outsight, Develop And Train Their Imagination And Creativity.
- Realistic Appearance - Our Wild Animal Animal Figures Set Was Made By Hand Painted With High Realistically Detailed Appearance, Cute Face And Childish Eyes. Their Uniquely Molded Textures And Richly Painted Details Make The Animals Vivid.
- Long Term Warranty - Jokfeice Animal Figures Has a No Hassle 100% Guarantee Refund Policy. if You Get the Play Animal Figures Set and Do Not Love Them, Simply Return for a Full Refund. Just Add to Your Cart Now!
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Jurassic World Toys
Released: July 21st, 2020
Multi Toy
 | Lowest New Price: $46.99*
In Stock.*
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Click Here | Description:
Jurassic World Big Action Pachycephalosaurus Figure, 12-inch- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: GNH28
- UPC: 887961870572
- EAN: 0887961870572
- PartNumber: GNH28
Details:- Product Category: Toy
- Publication Date: July 21st, 2020
- Release Date: July 21st, 2020
Physical Description:- Size: 6.97 Inches by 2.76 Inches by 12.99 Inches
- Color: Multi
Features:- Get ready for thrilling action and adventure with Jurassic World!
- Larger-scale action figures come in 12-inch scale and feature fan favorite dinosaurs and characters inspired by the film!
- Realistic sculpting and authentic decoration make these 12-inch action figures a stand out!
- Play out all the action and adventure scenes from the movie and stage the ultimate epic dinosaur battles!
- Each sold separately, subject to availability.
Click here for more information |
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Jurassic World Toys
Toy
 | Lowest New Price: $72.99*
In Stock.*
*(As of 23:46 Pacific 16 Jan 2022 More Info)
Click Here | Description:
Jurassic World Battle Damage Pachycephalosaurus Figure- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: FTK70
- UPCs: 887961645866, 767344542268
- EANs: 0767344542268, 0887961645866
- PartNumber: FTK70
Details:Physical Description:- Size: 6.5 Inches by 2.25 Inches by 8.0 Inches
- Weight: 0.3086471668 Pounds
Features:- Get ready for thrilling action and adventure with Jurassic World!
- These Battle Damage dinosaur action figures have a spring-loaded damage panel feature that snaps back on impact to reveal the battle wound!
- Boys will love battling it out again and again and seeing the gory results
- Just reset the Battle Damage action figure to play out favorite action battles from the movie again and again!
- Great gift for Jurassic World fans!
Click here for more information |
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Jurassic World Toys
Multicolor Toy
 | Lowest New Price: $23.88*
In Stock.*
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Click Here | Description:
JURASSIC WORLD BATTLE DAMAGE Stygimoloch Stiggy- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: FNB32
- UPCs: 781490555460, 887961586084
- EANs: 0887961586084, 0781490555460
- PartNumber: FNB32
Details:Physical Description:- Size: 6.5 Inches by 2.25 Inches by 8.0 Inches
- Weight: 0.3086471668 Pounds
- Color: Multicolor
Features:- Get ready for thrilling action and adventure with Jurassic World!
- Spring-loaded damage panel feature snaps back on impact to reveal the battle wound on these Battle Damage dinosaur action figures!
- Boys will love battling it out again and again to see the results.
- Reset the Battle Damage action figure to play out favorite movie battles again and again!
- Choose from Battle Damage Stiggy, Battle Damage Velociraptor Blue, Battle Damage Pachycephalosaurus, Battle Damage Herrerasaurus and Battle Damage Gallimimus.
- Each sold separately, subject to availability.
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