[Taxacom] word for only species in the genus

[Paul van Rijckevorsel]

Indeed, "monotypic" is very odd for a unit that
can easily include, say, twenty or thirty types.
However, those who try to be careful will not use
"monospecific" but will prefer "unispecific", so
as not to needlessly mix Latin and Greek in a
single term.

As to the underlying problem, I don't see why it
shouldn't be possible to just list differences or
similarities between genus A and genus B, even
if one genus (or both) has only one species. Just
as it is perfectly possible to make a generic
description of a genus with one species.

Paul

Op 07/03/2021 om 20:04 schreef Thomas Pape via Taxacom:
> Hi John,
>
> You ask for a term "describing a species that is the sole member of its genus", but that must in my opinion be a property of the genus (i.e., the containing unit) rather than of the item (here = species) being contained.
>
> Also, I am not happy with the term "monotypic" for genera containing only one species, because there is always only one name-bearing type. Better to use "monospecific".
>
> /Thomas
>
> -----Original Message-----
> From: Taxacom <taxacom-bounces at mailman.nhm.ku.edu> On Behalf Of John Grehan via Taxacom
> Sent: 7. marts 2021 18:02
> To: taxacom <taxacom at mailman.nhm.ku.edu>
> Subject: Re: [Taxacom] word for only species in the genus
>
> I've had a couple of responses, but they pertain to the genus rather than the species being the sole member. Perhaps it might help if I show the sentence as below
>
> "As noted by Viette (1947), the shape of the valva in *Eudalaca *is a similarity also shared with the Southern Chilean *Blanchardinella venosus **(Fig.
> 16)." *Here a comparison is being made between a genus and a single species of another genus, but that species is the only member of its genus. I was hoping that there was a technical term denoting that species status.
> Otherwise it might seem that the similarity is confined to a single species whereas there might be other species in that genus that do not share the similarity.  If there is no such term then I could perhaps just write it as:
>
> "As noted by Viette (1947), the shape of the valva in *Eudalaca *is a similarity also shared with the monobasic Southern Chilean *Blanchardinella **(Fig. 16)." *.
>
> On Sat, Mar 6, 2021 at 9:27 PM John Grehan <calabar.john at gmail.com> wrote:
>
>> Sorry for this rather simple question. I am familiar with monotypic or
>> monobasic for a genus with a single species, but is there a term
>> describing a species that is the sole member of its genus?
>>
>> John Grehan
>>
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