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RE: Gargantuavis a bird, not a pterosaur



Well, it has ten sacral verterae for one, while oviraptorosaurs top off at 
eight.

Mickey Mortimer

----------------------------------------
> Date: Mon, 4 Jul 2011 12:40:03 -0400
> From: jaseb@amnh.org
> To: bh480@scn.org
> CC: dinosaur@usc.edu
> Subject: Re: Gargantuavis a bird, not a pterosaur
>
> Does anyone know off hand what excludes the possibility that Gargantuavis
> was an oviraptorosaur?
>
>
>
> > From: Ben Creisler
> > bh480@scn.org
> >
> > A new online article:
> >
> > Eric Buffetaut and Jean Le Loeuff (2011)
> > Gargantuavis philoinos: Giant bird or giant pterosaur?
> > Annales de Paléontologie (advance online publication)
> > doi:10.1016/j.annpal.2011.05.002
> > http://www.sciencedirect.com/science/article/pii/S0753396911000061
> >
> > Gargantuavis philoinos was described as a giant terrestrial bird on the
> > basis of various postcranial elements (synsacrum and pelvis, femur) from
> > Late Cretaceous (Campanian-Maastrichtian) localities in Southern France.
> > It
> > has recently been suggested that these remains in fact belong to giant
> > pterosaurs. A detailed comparison between bones referred to Gargantuavis
> > and the corresponding skeletal elements of pterosaurs reveals considerable
> > differences and confirms the avian nature of Gargantuavis. The broad
> > pelvis
> > of Gargantuavis is similar to that of various extinct graviportal
> > terrestrial birds.
> >
> >
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>
> Jason Brougham
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>