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Re: Synapsids are reptiles and coronoid

To: "The Dinosaur Mailing List" <dinosaur@usc.edu>
Subject: Re: Synapsids are reptiles and coronoid
From: "David Marjanovic" <david.marjanovic@gmx.at>
Date: Sat, 27 Apr 2002 23:34:16 +0200
References: <003001c1ee00$03538360$83071c97@oemcomputer>
Reply-to: david.marjanovic@gmx.at
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David Marjanovic 22.April 2002 wrote:

"Sauropsida retained 2 coronoids "up to" Dromeosauridae"

The presence of only one coronoid is one of the unambiguous synapomorphies of sauropsids (Reisz & Laurin 1997).

At first I'd say "too bad for Reisz & Laurin". I can't really imagine a coronoid reevolving. Well, I'll try to find some more figures, but figures of the insides of lower jaws are hard to get. What is Mesosuchus? Do you mean Mesosaurus?

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References:
- Synapsids are reptiles and coronoid
  - From: "arisi" <arisigiacomo@libero.it>

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