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Re: Taxonomy (was Re: Fixing dinosaurian carnivour question)
On Sun, 6 Jun 1999 Dinogeorge@aol.com wrote:
> In a message dated 6/5/99 9:36:44 PM EST, email@example.com writes:
> << There go Genasauria, Thyreophora, Cerapoda, and Marginocephalia >>
> One should still use the names when necessary, but it's pointless to bother
> giving them taxonomic ranks.
And why is it not pointless to bother giving any taxon a rank?
> Besides, I think some of these taxa may be
> doubtfully valid (e.g., Thyreophora), for what it's worth.
Thyreophora will always be valid, whether (as in your phylogeny) it
includes stegosaurs or not. Of course, under your phylogeny, I suppose it
would be a junior synonym of Ankylosauria (which would expand to include
_Scutellosaurus_ [right?] and _Scelidosaurus_).
--T. Mike Keesey <firstname.lastname@example.org>
THE DINOSAURICON <http://dinosaur.umbc.edu>