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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
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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 Janet Riehecky
The Childs World Inc
Released: September 1st, 1990
Library Binding (32 pages)
 | List Price: $21.36*
Lowest Used Price: $6.11*
In Stock.*
*(As of 20:24 Pacific 16 Apr 2021 More Info)
Click Here | Description:
Pachycephalosaurus : Dinosaurs Series- Manufacturer: The Childs World Inc
- ISBN: 0895656329
- EAN: 9780895656322
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Janet Riehecky
- Publication Date: September 1st, 1990
- Release Date: September 1st, 1990
Physical Description:- Size: 10.5 Inches by 8.5 Inches by 0.5 Inches
- Weight: 0.45 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
 | List Price: $19.99*
Lowest New Price: $17.00*
In Stock.*
*(As of 20:24 Pacific 16 Apr 2021 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: 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 & 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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Jurassic World Toys
Multi Toy
 | Lowest New Price: $30.07*
In Stock.*
*(As of 20:24 Pacific 16 Apr 2021 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
Click here for more information |
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Jurassic World Toys
Multi Toy
 | Lowest New Price: $27.17*
In Stock.*
*(As of 20:24 Pacific 16 Apr 2021 More Info)
Click Here | Description:
Jurassic World Pachycephalosaurus Savage Strike Dinosaur Action 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
- Weight: 0.220462262 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
Click here for more information |
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Safari Ltd.
Toy
 | Lowest New Price: $18.99*
In Stock.*
*(As of 20:24 Pacific 16 Apr 2021 More Info)
Click Here | Description:
Safari Ltd Wild Safari Prehistoric World Collection - Hand Painted Pachycephalosaurus Figurine 8" x 3.75" - Non-Toxic and BPA Free - Ages 3+- Manufacturer: Safari Ltd.
- Brand: Safari Ltd.
- Model: S100350
- UPC: 095866004118
- EAN: 0095866004118
- PartNumber: S100350
Details:Physical Description:- Size: 4.0157480274 Inches by 8.1102362122 Inches by 2.6377952729 Inches
Features:- Scientific Name: Pachycephalosaurus (“thick-headed lizard”)
- Characteristics: This bone-headed Pachycephalosaurus features its trademark domed skull and bony knobs on its head that the dinosaur is well known for. Its head features an injury from combat, which is a feature that has been found on at least one Pachycephalosaur skull.
- Size and Color: This Pachycephalosaurus figure is 8 inches long and 3 3/4 inches tall, about the size of a pair of scissors. Its body is a dull orange with light blue-gray stripes running down its back, sides, and underbelly. Its beak, bony knobs and claws are a warm gray.
- The Pachycephalosaurus is part of the Wild Safari Prehistoric World collection
- All of our products are Non-toxic and BPA free
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Playskool
Multi-colored Toy
 | Lowest New Price: $19.99*
In stock. Usually ships within 2 to 3 days.*
*(As of 20:24 Pacific 16 Apr 2021 More Info)
Click Here | Description:
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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Jurassic World Toys
Toy
 | Lowest New Price: $38.49*
In Stock.*
*(As of 20:24 Pacific 16 Apr 2021 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!
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Jurassic World Toys
Toy
 | Lowest New Price: $25.99*
In Stock.*
*(As of 20:24 Pacific 16 Apr 2021 More Info)
Click Here | Description:
JURASSIC WORLD 12" BASIC Pachycephalosaurus- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: FNY43
- UPC: 887961604603
- EAN: 0887961604603
- PartNumber: FNY43
Details:Physical Description:- Size: 12.0 Inches by 2.0 Inches by 4.0 Inches
- Weight: 0.49 Pounds
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.
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