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Re: Age of the Barun Goyot, Djadok(ht)a and Nemegt Formations

To: dinosaur@usc.edu
Subject: Re: Age of the Barun Goyot, Djadok(ht)a and Nemegt Formations
From: Tim Donovan <uwrk2@yahoo.com>
Date: Fri, 30 Sep 2005 03:50:35 -0700 (PDT)
In-reply-to: <BAY101-F4049EB5C993CDA5471E878988C0@phx.gbl>
Reply-to: uwrk2@yahoo.com
Sender: owner-dinosaur@usc.edu

--- Tim Williams <twilliams_alpha@hotmail.com> wrote:

> The 
> validity of genera often lies in the eye of the
> beholder, and so makes for a 
> poor yardstick in biostratigraphy.

 AFAIK there was never any doubt that S.
angustirostris and S. osborni belong in the same
genus; they may even be the same species. 

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Follow-Ups:
- Re: Age of the Barun Goyot, Djadok(ht)a and Nemegt Formations
  - From: David Marjanovic <david.marjanovic@gmx.at>

References:
- Re: Age of the Barun Goyot, Djadoktha and Nemegt Formations
  - From: Tim Williams <twilliams_alpha@hotmail.com>

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