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Re: Pachycephalosaurs & head-butting

To: DML <dinosaur@usc.edu>
Subject: Re: Pachycephalosaurs & head-butting
From: David Marjanovic <david.marjanovic@gmx.at>
Date: Wed, 02 Apr 2008 22:26:19 +0200
References: <040220080748.3673.47F33A480004107E00000E5922230647029B0A02D2089B9A019C04040A0DBFCE9C079D0A03030E08@att.net>
Reply-to: david.marjanovic@gmx.at
Sender: owner-DINOSAUR@usc.edu

and the dome that they develop through their lives is a display structure used only for species recognition and to look sexy to other pachycephalosaurs.

But why is it massive cortical bone then? Why isn't it hollow or at least spongy?

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References:
- Pachycephalosaurs & head-butting
  - From: hammeris1@bellsouth.net

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