[Taxacom] Paraphyletic groups as natural units of biological classification
stephen_thorpe at yahoo.co.nz
Fri Oct 3 16:49:17 CDT 2014
Not necessarily! There might be a monophyletic group consisting of two sister species (or two sister taxa, one of which is a single species). Choose any one, and the residue is monophyletic!
On Sat, 4/10/14, Curtis Clark <lists at curtisclark.org> wrote:
Subject: Re: [Taxacom] Paraphyletic groups as natural units of biological classification
To: "taxacom at mailman.nhm.ku.edu" <taxacom at mailman.nhm.ku.edu>
Received: Saturday, 4 October, 2014, 7:44 AM
On 2014-10-02 9:41 PM,
Stephen Thorpe wrote:
> Yes Curtis, I
know what the word 'plesiomorphic' means.
Sorry, I wasn't sure after
you wrote "plesiomorphic species".
> I do not understand your
last sentence: Any time a species forms, it leaves behind a
paraphyletic residue of whatever monophyletic group you
self-evident to me. Diagnose a monophyletic group of your
choice. Designate a species that has
evolved within that group. The
the group is paraphyletic.
Curtis Clark http://www.csupomona.edu/~jcclark
+1 909 869 4140
Pomona, Pomona CA 91768
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