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Re: pdf request



On Tue, Jun 12, 2012 at 9:25 AM,  <tyazbeck@comcast.net> wrote:
> Anyone have the new paper on Mesosaurus being a synapsid available? Other 
> references on the mesosaurs would be good too. THanks in advance

Citation:

Pineiro, G., J. Ferigolo, A. Ramos & M. Laurin (in press). Cranial
morphology of the Early Permian mesosaurid Mesosaurus tenuidens and
the evolution of the lower temporal fenestration reassessed. Comptes
Rendus Palevol. doi:10.1016/j.crpv.2012.02.001

It reports a lower temporal fenestra (i.e., the synapsid condition) in
Mesosaurus, but it does not say it is a synapsid (i.e., part of the
mammalian total clade). Instead, it suggests that the synapsid
condition may be primitive for Amniota, and defers further discussion
to a future study, in progress.

(Yes, it's confusing that being a synapsid and having the synapsid
condition do not mean the same thing, but that's the terminology.)
-- 
T. Michael Keesey
http://tmkeesey.net/