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Pachycephalosaurus - Wikipedia, the free encyclopedia
Pachycephalosaurus is a genus of pachycephalosaurid dinosaurs. The type species, P. wyomingensis, is the only known species.
https://en.wikipedia.org/wiki/Pachycephalosaurus
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Pachycephalosauria - Wikipedia, the free encyclopedia
Pachycephalosauria is a clade of ornithischian dinosaurs. Genera include Pachycephalosaurus, Stegoceras, Stygimoloch, and Dracorex.
https://en.wikipedia.org/wiki/Pachycephalosauria
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Study Confirms Head-Butting Behavior in Dome-Headed Dinosaurs - Sci-News
Dome-headed dinosaurs from the late Cretaceous period known as pachycephalosaurids used domes atop their heads to fight for territory and mates.
http://www.sci-news.com/paleontology/science-head-butting-dome-headed-dinosaurs-01247.html
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Pachycephalosaurus - Prehistoric-Wildlife
Facts and information about the dinosaur Pachycephalosaurus and thousands of other prehistoric creatures.
http://www.prehistoric-wildlife.com/species/p/pachycephalosaurus.html
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Pachycephalosaurus Wyomingensis - National Geographic
Pachycephalosaurus wyomingensis was the largest of the pachycephalosaurids-"thick-headed dinosaurs"-which featured extremely thick skullcaps.
http://animals.nationalgeographic.com/animals/prehistoric/pachycephalosaurus-wyomingensis
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Pachycephalosaurus - ScienceViews
The Pachycephalosaurus had a huge skull plate, providing cushion for its small brain. The plate was surrounded by small blunt spikes. It had a small muzzle with a pointed beak and tiny teeth.
http://scienceviews.com/dinosaurs/pachycephalosaurus.html
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10 Bone-Headed Facts About Pachycephalosaurus - Mental Floss
Pachycephalosaurus' domed, heavily-built head looks like it was capable inflicting some serious damage. Unfortunately, trying to decipher how this animal used that noggin has given many poor scientists headaches of their own.
http://mentalfloss.com/article/58415/10-bone-headed-facts-about-pachycephalosaurus
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Fossil Testifies to Pachycephalosaurus Pain - Smithsonian
A damaged skull throws support to the idea that some dome-headed dinosaurs butted heads
http://www.smithsonianmag.com/science-nature/fossil-testifies-to-pachycephalosaur-pain-79971905
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Pachycephalosaurus - DinosaurFacts
Information on the Pachycephalosaurus including pictures, facts, and a short biography.
http://www.dinosaurfacts.org/pachycephalosaurus
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Pachycephalosaurus - About
The plant-eating dinosaur Pachycephalosaurus gave new meaning to the word "blockhead."
http://dinosaurs.about.com/od/herbivorousdinosaurs/p/pachycephalo.htm
