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Re: Long-necked stegosaur coming out in Proceedings B

Richard W. Travsky wrote:

On Sat, 28 Feb 2009, Dann Pigdon wrote:
Quoting Jura <pristichampsus@yahoo.com>:

Fair enough. I was actually responding to a statement made about
stegosaurs having to turn their backs on their adversaries.
Presenting one's broad side to a predator removes the "need" for a
long neck to see behind.

Turning into a U-shape would have worked well against only one predator, but it may have left the outside flank horribly exposed to a second predator (unless the stegosaur backed up against something). The

Or in a group of other stegosaurs...

Are there trackways that might indicate groups of stegosaurs traveling together? Are there any nesting sites that might indicate any type of parental care? Any fossil evidence of stegosaur groups?