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Re: Broken Stegosaur tailspike

>If Stegosaurus stenops broke off half of one of its tailspikes, say,
>defending itself (humor me here for a moment, those of you who don't
>believe it was a weapon), what would the break look like?  Would it break
>clean off or would it splinter along the length of the spike?  I'm
>looking for you to "draw me a picture."  Was there a sheath of something
>over bone?  Would it have bled profusely or broken off clean?

        If the spikes were living bone at the core, then surely they would
not have been exposed.  They must have been sheathed. Seems like they would
bleed--the bone, that is--if they were fractured to the open air.


        "Dammit, Philbert; what kind of a lepidopterist are you?  For god's 
man; stand up to them!"