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Re: Tiktaalik
jrc wrote-
As an aside, not all the Quetz skull material is crushed flat laterally,
and they are reasonably narrow from side to side. My take on the skulls
and lower mandibles is that they have some pretty neat hydrodynamic
features that would be very effective for skimming.
Darren Naish wrote about this topic in his blog recently, and disagrees with
the skimming hypothesis. See http://darrennaish.blogspot.com/ for details.
Mickey Mortimer