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Re: Confuciusornis beaks

----- Original Message ----- 
From: "Mickey Mortimer" <Mickey_Mortimer111@msn.com>

> That's not the holotype or paratype C. dui specimen.
> http://www.nature.com/nature/journal/v399/n6737/fig_tab/399679a0_F2.html
> http://www.nature.com/nature/journal/v399/n6737/fig_tab/399679a0_F1.html
> I don't see any definite sheath on the specimen you linked to.

Is the lower jaw really that bowed? from the photo it looks like the jaw
became disarticulated and is exposed in a ventral aspect, with what the
authors have as the mandibular fenestra is really just the space between the
two rami.