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Re: need a Serpentes definition



I've seen _Ophidia_ used as the crown clade and _Serpentes_ as the
total (=panstem) clade, but I don't know what the precise definitions
are.

On Wed, 23 Mar 2005 17:22:06 -0600 (GMT-06:00), david peters
<davidrpeters@earthlink.net> wrote:
> Does anyone have the definition and ref. for Serpentes (Ophidia)?
> 
> "taxon x, taxon y, their last common ancestor and all of their descendents"
> 
> David Peters
> St. Louis

--Mike Keesey