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Re: Gargantuavis a bird, not a pterosaur
Yeah, Augusto, distortion is an important point.
Jaime, have you looked at the two figures, of Nothronychus and Gargantuavis,
I don't see the differences in the lacunae that you describe, it seems more a
matter of degree. Also the ilia seem to be clearly facing dorsally.
On Jul 5, 2011, at 2:26 PM, Augusto Haro wrote:
> 2011/7/5 Jaime Headden <firstname.lastname@example.org>:
>> 5, The ilia face dorsal in *Gargantuavis philoinos* as they do in virtually
>> all ornithothoracean birds, and in *Avimimus portentosus*; this face is such
>> that the entire lateral face of ilium when viewed from above is visible. In
>> therizinosauroids, this is true only for the preacetabular ala, but not
>> anywhere posterior to above the acetabulum, and this is particularly notable
>> because the preacetabular ala in therizinosauroids resemble strongly the
>> condition of graviportal mammals is being deep, thick, and laterall
>> deflected (so that the lateral face is also viewable from the poaterior as
>> well as the dorsal). This doesn't happen in any oviraptorosaur or bird
>> [qualifier: that I know of].
> Can it be ruled out that deformation generated the observed pattern in
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