Re: Horns and Beaks: New taxa and descriptions

[David Marjanovic <david.marjanovic@gmx.at>]

----- Original Message -----
From: "Denver Fowler" <df9465@yahoo.co.uk>
Sent: Monday, November 06, 2006 1:29 PM

> As someone who routinely works with this material, I am not planning on 
> using the name Mantellisaurus. The differences between the species have 
> existed for some time (indeed, over 130Million years), and were recognised 
> by Norman in his many papers on the animals, and he never saw fit to split 
> them. In real terms, one name or the other merely serves to create more 
> monospecific genera, which in my opinion is not a desirable thing.

Maybe keeping both in *Iguanodon* would make *I.* paraphyletic? In that case 
separate genus names -- actually clade names -- make sense.