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RE: Where are the basal ornithischians...

> From: owner-dinosaur@usc.edu [mailto:owner-dinosaur@usc.edu]On Behalf Of
> David Peters
>
> Where are the basal ornithischians with a predentary and without a
> retroverted pubis?
> 
> Just wondering.

In the Ischigualasto Fm.  It's Pisanosaurus (assuming that all of Pisanosaurus 
belongs together).

                Thomas R. Holtz, Jr.
                Vertebrate Paleontologist
Department of Geology           Director, Earth, Life & Time Program
University of Maryland          College Park Scholars
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