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RE: Deinocheirus (was Sauropodz r kewl WAS: silly conversation on 2012 US presidential race)







> Date: Sun, 22 Apr 2012 15:11:26 +1000
> From: tijawi@gmail.com
> To: dinosaur@usc.edu
> Subject: Re: Deinocheirus (was Sauropodz r kewl WAS: silly conversation on 
> 2012 US presidential race)
> 
> David Marjanovic <david.marjanovic@gmx.at> wrote:
> 
> > What's more, in segnosaurs generally, unlike in sloths or chalicotheres, the
> > neck is so long that the head is well out of reach of the forelimbs.
> 
> 
> Yes. Despite the lateral reorientation of the glenoid, used for
> (probably) increased dorsal reach of the forelimbs.
> 
> 
> In certain ornithomimosaurs, it's been proposed that the forelimbs
> could have been used to hook or grasp branches to help bring them to
> the mouth. The forelimbs of therizinosaurs/segnosaurs might have been
> used in a similar fashion. However, given the long necks of both
> groups, I wonder just how necessary the forelimbs really were during
> browsing.

 

 Therizinosaur forelimbs were heavily muscled, right?  Maybe its not so much a 
matter of "pull food to mouth" as a matter of "pull branch down enough that 
tender leaves are in reach of mouth".