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Re: Ceratopsine phylogeny questions

On Sun, Oct 4, 2009 at 9:49 PM, GUY LEAHY <xrciseguy@q.com> wrote:
> However, since the type specimen of _Triceratops_ does not exhibit the adult 
> frill morphology of the genus, how, if at all, would this affect the 
> nomenclature?

In no way whatsoever. It's perfectly permissible to have a type
specimen at any ontogenetic stage. Lots of species have subadult or
even juvenile type specimens.
T. Michael Keesey
Technical Consultant and Developer, Internet Technologies
Glendale, California