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Re: Mystery theropod from Argentina

To: uwrk2@yahoo.com
Subject: Re: Mystery theropod from Argentina
From: Nick Pharris <npharris@umich.edu>
Date: Wed, 16 Jun 2004 13:42:46 -0400
Cc: bh480@scn.org, dinosaur@usc.edu
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Reply-to: npharris@umich.edu
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Quoting Tim Donovan <uwrk2@yahoo.com>:

>   Can we be sure North and South America were really
> isolated in the Campanian? By then titanosaurs of
> presumed South American origin had appeared in North
> America.

But _Opisthocoelicaudia_ is also in the same part of the titanosaur tree, so
there is a possibility that _A._ came from Asia, rather than South America.

Nick Pharris
Department of Linguistics
University of Michigan

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- Re: Mystery theropod from Argentina
  - From: Tim Donovan <uwrk2@yahoo.com>

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