[Taxacom] holotype designation

John Grehan calabar.john at gmail.com
Wed Mar 27 18:15:30 CDT 2019


thanks to everyone for the quick feedback. This is indeed a case where a
single specimen was being described for the species - therefore 'unique'.
So I gather that this is pretty good evidence that there is no evidence for
any further specimens being involved and that the unique specimen can be
referred to as a holotype.

John Grehan

On Wed, Mar 27, 2019 at 7:09 PM Francisco Welter-Schultes <fwelter at gwdg.de>
wrote:

> Relevant are Art. 74.5 and 74.6. For the type series, see Art. 72.4.1.
>
> Just saying "type" alone is not necessarily enough for meeting the
> conditions to qualify for a holotype designation. If there is external
> evidence that the author had more specimens at his or her disposal, this
> type would be a syntype.
> I did not really understand the meaning of "unique" in this context.
> Maybe a little more information could help.
>
> Francisco
>
>
> -----
> Francisco Welter-Schultes
>
> Am 27.03.2019 um 23:46 schrieb John Grehan:
> > I could probably figure this out from the rules of nomenclature, but
> > perhaps someone will know off the cuff as I would like to be sure and
> have
> > the info quickly. If someone in 1958 states "type, a male, unique...…" is
> > that sufficient for the specimen to be referred to as a holotype since it
> > is clear that the type is represented by a single specimen?
> >
> > Thanks. John Grehan
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