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File:Pachycephalosauridae head butting.png

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Note: This historical image is not a factually accurate dinosaur restoration.

Reason: Pronated hands.

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Description
English: Hypothetical head-to-head interactions among pachycephalosaurids. (A) Bison-like head-shoving in large, broad-domed specimens such as Pachycephalosaurus wyomingensis; (B) Ovis-like clashing in Prenocephale prenes; (C) Capra-style broadside butting in high-domed and large-horned specimens such as subadult Pachycephalosaurus (“Stygimoloch” and “Dracorex”).
Date
Source http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0068620
Author Joseph E. Peterson, Collin Dischler, Nicholas R. Longrich
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(Reusing this file)		 plos one


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Date/TimeThumbnailDimensionsUserComment
current15:48, 9 January 2014Thumbnail for version as of 15:48, 9 January 2014997 × 1,591 (1.34 MB)IJReid{{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|Hypothetical head-to-head interactions among pachycephalosaurids. (A) Bison-like head-shoving in large, broad-domed specimens such as Pachycephalosaurus wyomingensis; (B) Ovis-...
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