Re: What does the pteroid point to?

["jrc" <jrccea@bellsouth.net>]

It is rather mobile about several axes for several reasons.  It doesn't 
point straight forward and down, and it isn't always directed toward the tip 
of the deltopectoral crest.
JimC

----- Original Message ----- 
From: "Mike Habib" <habib@jhmi.edu>
To: <davidrpeters@charter.net>
Cc: <dinosaur@usc.edu>
Sent: Friday, July 17, 2009 12:49 PM
Subject: Re: What does the pteroid point to?


> It depends on what you think the extent of the propatagium is.  If the 
> propatagium extends onto the neck, then the pteroid might point  towards 
> the lower cervicals, as in the recent manuscripts you cited.
>
> --Mike
>
>
> Michael Habib, M.S.
> PhD. Candidate
> Center for Functional Anatomy and Evolution
> Johns Hopkins School of Medicine
> 1830 E. Monument Street
> Baltimore, MD 21205
> (443) 280-0181
> habib@jhmi.edu
>
>
>
> On Jul 17, 2009, at 8:03 AM, David Peters wrote:
>
> > What does the pteroid point to, if not the deltopectoral crest?  Three 
> > recent studies do not have the pteroid directed toward the  dpcrest but 
> > somewhere anterior to it and beyond, like the cervical  series.
> >
> > --
> > David Peters
> > davidrpeters@charter.net
> >
> > Frey E, Buchy M-C, Stinnesbeck W. 2006. Muzquizopteryx coahuilensis
> > n.g, n.sp, a nyctosaurid pterosaur with soft tissue preservation from
> > the Coniacian (Late Cretaceous) of northeast Mexico (Coahuila).
> > Oryctos. 6:19–39.
> >
> > Bennett SC. 2008. Morphological evolution of the forelimb of  pterosaurs:
> > myology and function. In: Buffetaut E, Hone DWE, editors.
> > Zitteliana Series B, 28 (Special Volume: Flugsaurier: pterosaur
> > papers in honour of Peter Wellnhofer). p. 127–141.
> >
> > Prondvai, Edina and Hone, David W. E.(2009)'New models for the wing 
> > extension in pterosaurs',Historical Biology,