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Date: Tue, 14 Sep 2004 12:58:32 -0400
From: [unknown]
To: David Marjanovic <david.marjanovic@gmx.at>, PML <phylocode@ouvaxa.cats.ohiou.edu>
Subject: RE: Apomorphy-based clades; was Re: Panstems
But there's the issue of if you are dealing with crown Biota, or the panstem Biota (i.e., including the ultra primitive ancestors of livin= g things, now extinct)... =09=09Thomas R. Holtz, Jr. =09=09Vertebrate Paleontologist Department of Geology=09=09Director, Earth, Life & Time Program University of Maryland=09=09College Park Scholars =09Mailing Address: =09=09Building 237, Room 1117 =09=09College Park, MD 20742 http://www.geol.umd.edu/~tholtz/ http://www.geol.umd.edu/~jmerck/eltsite Phone:=09301-405-4084=09Email:=09tholtz@geol.umd.edu Fax (Geol): 301-314-9661=09Fax (CPS-ELT): 301-405-0796 > -----Original Message----- > From: David Marjanovic [mailto:david.marjanovic@gmx.at] > Sent: Tuesday, September 14, 2004 12:42 PM > To: PML > Subject: Re: Apomorphy-based clades; was Re: Panstems > > > Mike Taylor found out how to define the clade of all life without > mentioning > an apomorphy: > > > How about: > > > > "The least recent common ancestor of _T. rex_ and > > _E. coli_, and all its descendants" > > > > ? :-) > > Hey cool. You've got it. :-) >