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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: $29.50* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: Pachycephalosaurus: The Thick-Headed Lizard (Graphic Dinosaurs)- Manufacturer: Powerkids Pr
- 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: 11.25 Inches by 9.5 Inches by 0.25 Inches
- Weight: 0.85 Pounds
Click here for more information |
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By Fabio Marco
Blackbirch Released: April 6th, 2007 Hardcover (32 pages)
 | List Price: $25.65* Lowest Used Price: $9.91* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: 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
Click here for more information |
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By Enrique Fiesta
Createspace Independent Publishing Platform Released: January 23rd, 2015 Paperback (54 pages)
 | Lowest New Price: $11.99* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: Pachycephalosaurus - Thick-Headed Lizard- Manufacturer: CreateSpace Independent Publishing Platform
- Brand: Createspace Independent Publishing Platform
- ISBN: 1507686900
- EAN: 9781507686904
- PartNumber: colour illustrations
Details:- Paperback
- Number of Pages: 54
- Authors: Enrique Fiesta, John Davidson
- Publication Date: January 23rd, 2015
- Release Date: January 23rd, 2015
Physical Description:- Size: 9.0 Inches by 6.0 Inches by 0.15 Inches
- Weight: 0.19 Pounds
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By Janet Riehecky
The Childs World Inc Library Binding
 | List Price: $21.36* Lowest Used Price: $5.98* In stock. Usually ships within 3 to 4 days.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
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 Frances Swann
Brand: Rourke Pub Group Library Binding
 | Lowest Used Price: $27.74* In stock. Usually ships within 3 to 4 days.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
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: 1.01 Pounds
Features:- Used Book in Good Condition
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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: $6.31* In stock. Usually ships within 3 to 4 days.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: 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 Henley Miller
Cavendish Square Publishing Released: January 16th, 2014 Paperback (32 pages)
 | List Price: $11.58* Lowest Used Price: $7.59* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: Meet Pachycephalosaurus (The Age of Dinosaurs)- Manufacturer: Cavendish Square
- Brand: Cavendish Square Publishing
- ISBN: 1627126171
- EAN: 9781627126175
- PartNumber: colour illustrations, maps
Details:- Paperback
- Number of Pages: 32
- Author: Henley Miller
- Publication Date: January 16th, 2014
- Release Date: January 16th, 2014
Physical Description:- Size: 10.25 Inches by 8.0 Inches by 0.25 Inches
- Weight: 0.25 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 Multi Accessory
 | List Price: $19.99* Lowest New Price: $15.99* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: 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: 4.331 Inches by 8.465 Inches by 2.559 Inches
- Weight: 0.254 Pounds
- Color: Multi
Features:- DETAILED & REALISTIC. Crafted with precision and authentic detail to create a lifelike toy that teaches and inspires toddlers and kids; helps introduce children to animals. From the first sketch to the intricate finishing touches, we see value in every detail.
- HEALTHY IMAGINATIVE PLAY. The Pachycephalosaurus from Schleich is carefully designed to inspire safe and creative pretend play for children as both a single toy or part of a larger collection.
- PART OF A GROWING PLAY WORLD. The Pachycephalosaurus is part of the Dinosaurs collection of figurines and playsets from Schleich. Great for gifting, this figurine can stand alone or fit into a larger, modular play world.
- BUILT TO LAST. As an 85-year-old German toy company, we are committed to manufacturing realistic toys with the highest standard of quality and safety for years of durable play and collectability. All products and the materials used meet or exceed the strictest applicable toy 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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Jurassic World Toys Multi Toy
 | Lowest New Price: $67.88* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: JURASSIC WORLD SAVAGE STRIKE Pachycephalosaurus- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: GFG64
- UPC: 887961761481
- EAN: 0887961761481
- PartNumber: GFG64
Details:Physical Description:- Size: 4.0 Inches by 2.748 Inches by 7.748 Inches
- Weight: 0.3747858454 Pounds
- 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!
Click here for more information |
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Jurassic World Toys Multi Toy
 | Lowest New Price: $57.99* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
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!
Click here for more information |
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PNSO
 | Lowest New Price: $30.99* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: 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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AHUPOY
 | Lowest New Price: $15.80* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: Dinosaur Figure Pachycephalosaurus Model Realistic Animal Toys Dinosaur World Figurine Gift for Kids AHUPOY- Manufacturer: AHUPOY
- Brand: AHUPOY
- PartNumber: 1
Physical Description:- Size: 2.0 Inches by 8.0 Inches by 5.0 Inches
Features:- Durable and Safe -- About 8*5*2 inch. This dinosaur toy is made of durable material which is safe and environment-friendly and kids-friendly. Hollow hard glue. No fading after washing at normal temperature. Non-toxic and soft, kids' safety always comes first.
- Exquisite Detail -- Our Ahupoy dinosaur toy is vivid.The clear texture makes the toy look and feel very textured.
- Flexibility & Creativity -- Dinosaur toy can stimulate children's imagination, creativity and thinking ability, promote children's cognition, respect for life.
- Suitable Gift for Children -- It is an ideal dinosaur toy for 3 to 12 year old kids. It can be used in many occasions such as festival gifts, party favors, birthday gifts, educational purpose, children's room furnishings etc.
- 100% Warranty -- If you have any questions, please don't hesitate to contact us through the backstage all the time.
Click here for more information |
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gemini&genius
 | Lowest New Price: $18.99* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: Gemini&Genius Dinosaur Toys Pachycephalosaurus Action Figure Stygimoloch Cretaceous Dinosaur World Figurine Gift, Collection, Cake Topper, Role-Play, Storytelling Props, Room Decoration for Kids- Manufacturer: Shenzhen Gemini Technology LTD.
- Brand: gemini&genius
- PartNumber: Dinosaur Figure Set -1
Physical Description:- Color: Pachycephalosaurus
Features:- 【Experience the Dinosaur World】Our dinosaur figures are made by hand painted with high detailed appearance. Their uniquely molded textures and richly painted details make the dinosaurs vivid.
- 【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 Details】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.
- 【Durable and Safe】This figure is made of a-piece design with durable ABS material which is safe and eco-friendly and children-friendly. This is the most durable design as you can imagine, when your children grow up, these toys are still fine and become valuable collectibles.
- 【Awesome Gifts】Such cute & different varieties of dinosaur figures are worthy to be collected, for decorating children's bookcase, desk and room. They are awesome birthday gifts or prizes for kids, also they would be good ideas to use as the cake toppers and make a dinosaur theme cake for your children. They would love that so much.
Click here for more information |
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Jurassic World Toys Multicolor Toy
 | Lowest New Price: $39.88* *(As of 23:14 Pacific 13 Aug 2022 More Info)
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 8.0 Inches by 2.25 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.
Click here for more information |
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Jurassic World Toys Released: July 21st, 2020 Multi Toy
 | Lowest New Price: $46.99* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
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 Mixed Accessory
 | List Price: $18.99* Lowest New Price: $16.49* In Stock.* *(As of 23:14 Pacific 13 Aug 2022 More Info)
Click Here | Description: Jurassic World Camp Cretaceous Roar Attack Ankylosaurus Bumpy Dinosaur Action Figure, Toy Gift with Strike Feature and Sounds- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: GWY27
- UPC: 887961950281
- EAN: 0887961950281
- PartNumber: GWY27
Details:- Product Category: Accessory
Physical Description:- Size: 5.91 Inches by 13.78 Inches by 2.76 Inches
- Weight: 0.771617917 Pounds
- Color: Mixed
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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