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Re: What group has the most work that needs to be done?
Ken Carpenter wrote-
> Personally, I don't believe in this group (Maginocephalia). The
> characters uniting ceratopsians and pachycephalosaurs are too few. I
> see that Dinosauria II has abandoned this artificial group.
Wha? Dinosauria II endorses Marginocephalia in the Ornithischia,
Pachycephalosauria and Basal Ceratopsia chapters.
Undergraduate, Earth and Space Sciences
University of Washington
The Theropod Database - http://students.washington.edu/eoraptor/Home.html