Re: R: Iguanodon (was Re: Saltasauridae (was Re: new titano

[<TWILLIAMS@canr1.cag.uconn.edu>]

Dinogeorge wrote:

> I would say
> >_I. bernissartensis_ and _I. atherfieldensis_ belong in different genera,
> >they're retained in _Iguanodon_ more by tradition than anything  
>else.

Alessandro Marisa wrote:

> Why in a different genera?
> I say that there are some differences in the two species ( a lot of these
> are size related) but there are also a lot of similarities that unites the
> two species in the genus Iguanodon.

I agree.  They seem very closely related; the only justification for 
splitting up _Iguanodon_ would be if the genus was shown to be 
paraphyletic.   Some researchers have even considered 
_atherfieldensis_ and _bernissartensis_ to be the two sexes of a 
single species.


Tim

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> Alessandro Marisa
>  "Volunteer of Paleontological Museum of Monfalcone"
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