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Re: Hongshanosaurus houi, new psittacosaur

George Olshevsky (Dinogeorge@aol.com) wrote:

<About time. I published this notion way back in MM #2, 1991, and it goes
back at least to Zhao Xijin's infamous Acta Pal Polonica paper of 1983.>

  Whereas it suggests this, the phylogeny does not show this, and the
consideration remains without a published listing or phylogenentic
analysis reflecting this condition in any paper save one. The author of
this "paper" remains in the field, and I would leave it up to him to
discuss this issue if he wants to, but there _is_ a character set that
reflects the position of *Heterodontosaurus* as the sister taxon to
Marginocephalia. This is so far the most explicit treatment of the
relationships following Sereno, 1991.


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.

"Innocent, unbiased observation is a myth." --- P.B. Medawar (1969)

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