Re: What does the pteroid point to?

[Mike Habib <habib@jhmi.edu>]

Good point - I took Dave's query to refer to a "neutral position", if  
there is one for the pteroid.

--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 5:45 PM, jrc wrote:

> 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,