Re: Poekilopleuron Problems

["Jaime A. Headden" <qilongia@yahoo.com>]

Dr. Ronan Allain <rallain@cimrs1.mnhn.fr> wrote:

<Such a process has not been recognized on the first metacarpal (second 
metacarpal being unknown
in Poekiloleuron, contrary to what was previously reported in the Dinosauria). 
As far as I know,
the ulnar process of the radius is indeed unknnow in any other theropod.>

  Though it does not destabilize the use of this character as an autapomorphy 
of *Poekilopleuron*,
such a process is also present (and was used as a synapomorphy of) in mononykid 
theropods as well.
Both *Shuvuuia* and *Mononykus* preserve the feature, if I recall correctly.


=====
Jaime A. Headden

  Little steps are often the hardest to take.  We are too used to making leaps 
in the face of adversity, that a simple skip is so hard to do.  We should all 
learn to walk soft, walk small, see the world around us rather than zoom by it.

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