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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 Janet Riehecky
The Childs World Inc
Released: September 1st, 1990
Library Binding (32 pages)
 | List Price: $21.36*
Lowest Used Price: $5.87*
In Stock.*
*(As of 07:05 Pacific 25 Oct 2020 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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By Dean Miller
Cavendish Square Publishing
Released: January 1st, 2014
Hardcover (32 pages)
 | Lowest New Price: $29.50*
Usually ships within 6 to 10 days.*
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Meet Pachycephalosaurus (Age of Dinosaurs)- Manufacturer: Cavendish Square Publishing
- Brand: Cavendish Square Publishing
- ISBN: 1627126163
- EAN: 9781627126168
Details:- Hardcover
- Number of Pages: 32
- Authors: Dean Miller, Henley Miller
- Publication Date: January 1st, 2014
- Release Date: January 1st, 2014
Physical Description:- Size: 10.2 Inches by 8.2 Inches by 0.4 Inches
- Weight: 0.85 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.
Jurassic World Toys
Toy
 | Lowest New Price: $17.31*
In Stock.*
*(As of 07:05 Pacific 25 Oct 2020 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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Safari Ltd.
Toy
 | Lowest New Price: $25.18*
In Stock.*
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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.
- UPC: 095866004118
- EAN: 0095866004118
- PartNumber: 100350
Details:Physical Description:- Size: 4.330708657 Inches by 8.267716527 Inches by 2.755905509 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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Papo
Multi Toy
 | Lowest New Price: $20.72*
In stock. Usually ships within 3 to 4 days.*
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Papo The Dinosaur Figure, Baby Pachycephalosaurus- Manufacturer: Papo
- Brand: Papo
- Model: 55005
- UPCs: 810973016324, 899998539087, 754295219622, 885956526367, 792491679307, 785239517078
- EANs: 3465000550059, 0792491679307, 0810973016324, 0785239517078, 0885956526367, 0899998539087, 0754295219622
- PartNumber: 55005
Details:Physical Description:- Size: 6.299212592 Inches by 7.086614166 Inches by 3.543307083 Inches
- Weight: 2.20462262 Pounds
- Color: Multi
Features:- Part Of The Dinosaur Collection - This Baby Pachycephalosaurus is part of the dinosaur collection and it’s called "thick headed lizard" lived in the Cretaceous period approximately 70 million years ago. Its main characteristic was without a doubt the large hump in the form of a dome on its head.
- Mix and Match - This Baby Pachycephalosaurus figure is perfect to mix and match with other Papo dinosaurs. It is great for education purposes, creative play, party favors and crafts.
- Develops Dexterity And Sparks The Imagination - We encourage your kids to use their imagination to create their own magical kingdom. This Papo toy will help to develop their skills while enjoying hours of imaginative play in great planet's history.
- Beautifully Finished And Durable - The art work and detail are beautiful on this hand painted figure. It is made with high quality plastic and its measures approximately 3.5 inches tall; Suitable for ages: 3+ Years.
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Jurassic World Toys
Gray Toy
 | Lowest New Price: $29.99*
In Stock.*
*(As of 07:05 Pacific 25 Oct 2020 More Info)
Click Here | Description:
JURASSIC WORLD REAL FEEL Mosasaurus- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: FNG24
- UPCs: 615912348593, 887961590678
- EANs: 7426911507194, 0615912348593, 0887961590678
- PartNumber: FNG24
Details:Physical Description:- Size: 8.0 Inches by 5.0 Inches by 24.0 Inches
- Weight: 1.0 Pounds
- Color: Gray
Features:- Get ready for thrilling action and adventure with Jurassic World
- Making a bigger splash than ever, Mosasaurus, the colossal swimming creature, is back again
- Mosasaurus will thrill fans with its massive size and movie-inspired design
- Authentic textured skin, realistic sculpting and articulation make colossal creature come to life.
- Colors and decorations may vary.
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LLAMEVOL
Dinosaur16z Baby Product
 | Lowest New Price: $17.56*
In Stock.*
*(As of 07:05 Pacific 25 Oct 2020 More Info)
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Night Lights for Kids Illusion Dinosaur Toy Birthday Gifts Optical Desk Lamp Table Touch Walking Animal Light Party Western Children Room Decor Bedroom Nursery 7 Color Changing USB Spinosaurus- Manufacturer: LLAM
- Brand: LLAMEVOL
- UPC: 737353723798
- EAN: 0737353723798
- PartNumber: LLAM03
Details:- Product Category: Baby Product
Physical Description:- Weight: 0.55 Pounds
- Color: Dinosaur16z
Features:- Dinosaur night lamp is great gifted for the following: office gifts, christian gift, christening gift, family gifts, gardening gifts,Christmas gifts,baptism gift, baby gift, holiday gift, Thank you gifts, Thanksgiving gift, sympathy gift and all seasonal gift. It is perfect animal lover gifts. Last minute gift idea for her or hime or romantic birthday gifts.
- 3d night lights for kids: A unique birthday gift for girls that everyone will love. The BEST night lights for ADULTS, KIDS and BABIES who comes alive in the dark. 3D optical illusion which is with soft 7 LED light spreads light through small acrylic panel and it is not so dazzling, 7 color changing and plug in the ABS base.
- Children lamp is ideal on a table,desk or night stand in a NURSERY in playroom or kids bedroom, 3d shooting lamp shade is a great decoration for the house for all ages, it also can be taken as a party decoration for kids and toddlers, they will love this child night light very much, it is very versatile.
- Night table lamps led lighting is powered via USB cable(include) or battery(not include).You could also plug into a portable POWER BANK making it even more portable. LED lighting is energy saving with spec of 0.012kw.h/24 hours and 10000 hours of life shelf.
- 3D illusion lamp: Unique birthday gifts for children: Tear off the protective film on both sides of the arclyric panel befor using and clean it off if your finger print is marked. Gifts for boys, adults,teenage and girls.
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Jurassic Park
Multi-colored Toy
 | Lowest New Price: $32.49*
In Stock.*
*(As of 07:05 Pacific 25 Oct 2020 More Info)
Click Here | Description:
Jurassic World Bashers & Biters Pachycephalosaurus Figure- Manufacturer: Hasbro
- Brand: Jurassic Park
- Model: B1829AS0
- UPCs: 687299942794, 715877286388, 794628941295, 885669172738, 630509302789, 885661323244, 796037414841
- EANs: 0630509302789, 0794628941295, 0687299942794, 0715877286388, 0796037414841, 0885669172738, 0885661323244
- PartNumber: B1829AS0
Details:Physical Description:- Size: 6.496 Inches by 2.362 Inches by 8.11 Inches
- Weight: 0.33951188348 Pounds
- Color: Multi-colored
Features:- Bashers & Biters figure looks like Pachycephalosaurus
- Bashing head
- Bashing attack
- Includes figure.
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Jurassic World Action Figure
Toy
 | Lowest New Price: $32.75*
In Stock.*
*(As of 07:05 Pacific 25 Oct 2020 More Info)
Click Here | Description:
Jurassic World Action Figure Dino Rivals Savage Strike Pachycephalosaurus Jurassic Park Action Figure- Manufacturer: Figure
- Brand: Jurassic World Action Figure
- UPC: 783515883312
- EAN: 0783515883312
- PartNumber: Pachycephal46754
Details: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!
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Jurassic World Toys
Multicolor Toy
 | List Price: $14.99*
Lowest New Price: $14.31*
In Stock.*
*(As of 07:05 Pacific 25 Oct 2020 More Info)
Click Here | Description:
JURASSIC WORLD DINOSAURPRISE Stygimoloch "Stiggy"- Manufacturer: Mattel
- Brand: Jurassic World Toys
- Model: FVJ97
- UPC: 887961660562
- EAN: 0887961660562
- PartNumber: FVJ97
Details:Physical Description:- Size: 8.5 Inches by 6.5 Inches by 20.0 Inches
- Color: Multicolor
Features:- Jurassic World Dinosaurprise Stygimoloch "Stiggy" Figure
- Great gift for Jurassic world fans!
- Collect them all!
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