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Re: Vote on the Definition of "Aves"

On 9/29/06, T. Michael Keesey <keesey@gmail.com> wrote:
- Ax 1987 (I don't have the exact wording, but it would be equivalent
to something like, "Extant birds and everything sharing more recent
ancestry with them than with any other extant organism." Under this
definition, dinosaurs would be a type of avian, not vice versa.)

What happen if we eliminate crocs and akins (and turtles, tortoises and terrapins) - Crocodylia or Loricata?

- Actually, I don't know if this has been published, but I know there
are people who think it should be apomorphy-based.

The clade stemming from the first vertebrate to evolve fligth feathers and wings. Benton MJ 2000 - Stems, nodes, crown clades, and rank-free lists: is Linnaeus dead? Bio. Rev. 75: 633-48. http://www.geocities.com/rmtakata/dinosauria/dinosauria.html


Roberto Takata