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Re: regarding the naris on pterodacs

----- Original Message -----
From: "david peters" <davidrpeters@earthlink.net>
Sent: Wednesday, August 03, 2005 6:17 PM


shows my take on what appears to be happening on a very tiny, early pterodactyloid, AMNH 1942. Perhaps the external naris was separate from the antorbital fenestra in this case.

Now... when I have the choice between that tiny photo and the big one at fig. 8 of http://www.fhsu.edu/biology/cbennett/science-v-fantasy-figs.html, you know what I'll choose...

What appears as a constriction and possible subdivision of the nasantorbital fenestra in your reconstruction seems to be a break in the left (but not the right) maxilla, judging from the big photo. (And the front part of the "left jugal" seems to be the left maxilla.) The fragments got somewhat pushed dorsocaudally, thus constricting the NAOF.

Your mistake with the dendrite would obviously not have happened if you had used a sufficiently big and detailed photo.