Re: Question(s) about Cladistics and PhyloCode

["T. Michael Keesey" <keesey@gmail.com>]

On 4/20/06, Mike Taylor <mike@miketaylor.org.uk> wrote:
> Tim Wiliams wrote:
> >
> > This is Sereno's definition, which uses a node-based definition of
> > Aves anchored on _Archaeopteryx_ and _Passer_.
>
> For what it's worth, I believe that this definition of Aves is due to
> Luis Chippe:
>
>         Chiappe, L. M.  1992.  Enantiornithine (Aves)
>         tarsometatarsi and the avian affinities of the Late
>         Cretaceous Avisauridae.  Journal of Vertebrate
>         Paleontology.  12: 344-350.

That's not listed in TaxonSearch:
http://taxonsearch.org/dev/taxon_edit.php?Action=View&tax_id=43
Either Sereno et al. overlooked it or it doesn't actually specify a definition.

TaxonSearch does list Chiappe 1997:32 ("_Archaeopteryx_ plus extinct
birds and all descendants of their most recent common ancestor"), but
Sereno 1997:459 ("_Archaeopteryx_, Passeriformes, and their common
ancestor and all descendants") is listed earlier--presumably it just
barely precedes Chiappe 1997. (Although, in any event, Gauthier
1986:14, "All descendants of the most recent common ancestor of
Ratiti, Tinami, and Neognathae," is still the first.)
--
Mike Keesey
The Dinosauricon: http://dino.lm.com
Parry & Carney: http://parryandcarney.com