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Re: Walk The New Papers



> Sereno's preferred definition is extremely
> inclusive: "The most
> inclusive clade containing _Passer domesticus_
> (Linnaeus 1758) but not
> _Archaeopteryx lithographica_ Meyer 1861." This is
> similar to
> Gauthier's (1986) original phylogenetic definition.
> 
> Gauthier and de Queiroz (2001) also had a fairly
> inclusive definition:
> "The clade stemming from the first panavian with a
> 'bird tail,'
> namely, a tail that is shorter than the femur ...
> with a pygostyle of
> avian aspect ... that is homologous with that of
> _Aves_ (_Vultur
> gryphus_ Linnaeus 1758)." (Trimmed for brevity.)
> 
> _Apsaravis_ would be considered a part of
> _Ornithurae_ under either of
> these definitions.

Hehe, yeah, thanks for the correction. I should have
written "include _A. ukhaana_ [...] to the exclusion
of Enantiornithes"


Eike


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