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> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu]
> On Behalf Of Mike Keesey
> On Mon, Aug 29, 2011 at 4:49 AM, Thomas R. Holtz, Jr.
> <email@example.com> wrote:
> > Averostra (Ceratosauria + Tetanurae)
> Averostra's original definition is apomorphy-based, and, as
> Mickey Mortimer pointed out, it's a very difficult one to apply:
> Fortunately the ceratosaur-tetanurine node already has a
> name: Neotheropoda.
> (Yes, some definitions anchor Neotheropoda on Coelophysis
> rather than Ceratosaurus, but this is in direct conflict with
> the original usage, which specifically excluded
> podokesaurids, i.e., coelophysids.)
Yes, such was the original intent of each. However, both have migrated
(crownward for Averostra, basally for Neotheropoda) into the
currently established uses, and it is almost cetainly these new incarnations
will be the ones registered in the PhyloCode registry.
Them's the breaks...
Thomas R. Holtz, Jr.
Email: firstname.lastname@example.org Phone: 301-405-4084
Office: Centreville 1216
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
Faculty Director, Science & Global Change Program, College Park Scholars
Mailing Address: Thomas R. Holtz, Jr.
Department of Geology
Building 237, Room 1117
University of Maryland
College Park, MD 20742 USA