Ken Kinman kinman at HOTMAIL.COM
Mon Oct 11 20:53:03 CDT 1999

    Now that I think about it, I think we were both incorrect in calling a
semi-species "a species".  Actually it is the superspecies which is "a
species" caught in the process of becoming two species.  A superspecies is
made up two semi-species.  Once the two semi-species differentiate into two
separate species, the superspecies they made up then becomes a "species

>From: "Frederick W. Schueler" <bckcdb at ISTAR.CA>
>Reply-To: "Frederick W. Schueler" <bckcdb at ISTAR.CA>
>Subject: Re: semi-species
>Date: Mon, 11 Oct 1999 21:58:26 -0700
>Ken Kinman wrote:
> >
> > I don't recall the exact definition of a semi-species, but is a
>basically a species caught in the process of becoming two species, but not
>enough divergence has occurred for "isolating mechanisms" (my apologies to
>Ernst Mayr for using that phrase) to be perfected.
> >     I believe Les Kaufman (here on Taxacom if I recall correctly) once
>referred to this as "webbing at the node"...
>* I believe that a semispecies is defined as a species which is a member of
>a superspecies, without any implication that it is imperfectly
>differentiated from other members of the superspecies, though frequently
>misused to imply imperfect differentiation.
>          Eastern    Ontario    Biodiversity    Museum
>                 Grenville Co, Ontario, Canada
>(RR#2 Oxford Station, K0G 1T0) (613)258-3107   bckcdb at

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