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Re: Def. of Ornithischia

To: jpoling@dinosauria.com, dinosaur@usc.edu
Subject: Re: Def. of Ornithischia
From: Dinogeorge@aol.com
Date: Thu, 12 Jun 1997 12:14:03 -0400 (EDT)
Reply-to: Dinogeorge@aol.com
Sender: owner-dinosaur@usc.edu

In a message dated 97-06-12 02:52:28 EDT, jpoling@dinosauria.com (Jeff
Poling) writes:

<< What is the official phylogenetic definition of Ornithischia? >>

There is no "official" definition of Ornithischia of any kind, but I believe
Tom Holtz and Kevin Padian have suggested as a phylogenetic definition in an
abstract somewhere "all dinosaurs closer to _Triceratops_ than to birds."

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