Re: Monoclonius

[Stan Friesen <swf@ElSegundoCA.ATTGIS.COM>]

From: endocrin@desktop.com.au
 > ... but recent postings to this list
 > suggest strongly that Monoclonius species are likely to be juveniles of
 > other ceratopian species. So, just what is the current position? If
 > Monoclonius is juvenile of other unknown species, is Monoclonius retained as
 > a genus until the "unknowns" are identified; does it become a nomen dubium,
 > or what?

The recent posts were worded in a way that suggests a status
of nomen dubium is appropriate.  The idea is not that the adults
have never been found, but rather that they cannot be *determined*.

 > And why the change? Is it due to new material, or re-investigation
 > of old stuff (after all, Monoclonius material has been around for a long 
 > time)?

The last - new material would tend to resolve the issue.
[Besides, almost all of the material formerly assigned to Monoclonius
is now refered to Centrosaurus].

swf@elsegundoca.attgis.com              sarima@netcom.com

The peace of God be with you.