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Re: "Phylogenetic Definitions and Nomenclature..."



On Fri, 26 Mar 1999, Jonathan R. Wagner wrote:

> T. Mike Keesey wrote:
> >Allosauridae == {Allosaurus > Sinraptor, Carcharodontosaurus,
> >Cryolophosaurus, Monolophosaurus}
>         Aaaaaah, multiple exclusive anchor taxa...

What's wrong with multiple exclusive anchor taxa?  They allow you to
define more explicitly exactly the taxon you want to describe, especially
when dealing with unresolved polytomies.

-Nick P