Re: Vertebrates? (posted for B. Roth)

[N.MacLeod@xxxxxxxxx (N. MacLeod)]

Date: Mon, 11 Sep 95 08:56:47 PDT
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To: paleonet-owner@nhm.ac.uk
From: barryr@ucmp1.Berkeley.EDU (Barry Roth)
Subject: Re: Vertebrates? (posted for E. Simpson)
Status: O

>Date: 10 Sep 95 21:55:39 EDT
>From: "Eric O. Simpson" <76653.1410@compuserve.com>
>To: "N. MacLeod" <N.MacLeod@nhm.ac.uk>
>Subject: Vertebrates? (posted for Eryops)
[...]
>                                     My thesis concenrs these rather
>interesting critters.  The issue is the validity of phytosaur
>biostratigraphic zones of the Dockum Group of West Texas.  A side issue is
>the phylogeny of phytosaurs.
[...]

Dear Eric:

Might I venture to suggest that the phylogeny of phytosaurs [or that of any
other group of organisms of biostratigraphic interest] should be more than a
side issue when considering a zonation based on them?  Best of luck in your
graduate studies.

Sincerely,

 Barry Roth                             barryr@ucmp1.berkeley.edu
 Research Associate, Museum of Paleontology
 University of California, Berkeley, CA 94117 USA   (415) 387-8538