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Re: Taxonomy (was Re: Fixing dinosaurian carnivour question)

On Sat, 5 Jun 1999, Stanley Friesen wrote:

> At 01:14 AM 6/2/99 -0400, Dinogeorge@aol.com wrote:
> >As >orders< I would make the basic groups of dinosaurian discourse, namely, 
> >Theropoda, Sauropoda, Ankylosauria, Ceratopia, Ornithopoda, Stegosauria, and 
> >such.

What happens to pachycephalosaurs, heterodontosaurids, basal
marginocephalians, _Scutellosaurus_, _Scelidosaurus_, _Emausaurus_,
non-genasaurian ornithischians ("fabrosaurs"), "prosauropods", and others
not included in the above six?

> >These would be grouped into superorders and so forth at one's 
> >discretion.
> Yep.  That is indeed why I would make Saurischia/Ornithischia superorders.

There go Genasauria, Thyreophora, Cerapoda, and Marginocephalia.

--T. Mike Keesey                                    <tkeese1@gl.umbc.edu>
WORLDS                                  <http://www.gl.umbc.edu/~tkeese1>
THE DINOSAURICON                               <http://dinosaur.umbc.edu>