RE: Sereno's (2005) new definitions

[Nick Pharris <npharris@umich.edu>]

Quoting Tim Williams <twilliams_alpha@hotmail.com>:

> _Troodon_ is not a nomen dubium, but if more troodontid material is 
> unearthed that shows more than one troodontid species existed in 
> Campanian-Maastrichtian North America, and they all had the same 
> dental morphology, then _Troodon_ is toast.  _Troodon_ will go the 
> way of _Deinodon_ and _Trachodon_ (unless the ICZN approves a 
> neotype).

Might not be a bad idea to do this before it ever becomes an issue, 
considering the prominence of _Troodon_ and eponymous taxa over the 
last couple of decades.

Nick Pharris
Department of Linguistics
University of Michigan