[Taxacom] monotypic or monobasic

[Stephen Thorpe]

Monotypy is a nomenclatural term (ICZN) in relation to the fixation of a type species of a new genus, but the grammatical variant monotypic has broader meaning. It is perhaps ugly to have variants of the same term with different meanings (one broader than the other)!

Stephen

--------------------------------------------
On Thu, 14/12/17, Paul van Rijckevorsel <dipteryx at freeler.nl> wrote:

 Subject: Re: [Taxacom] monotypic or monobasic
 To: "taxacom" <taxacom at mailman.nhm.ku.edu>
 Received: Thursday, 14 December, 2017, 9:32 PM
 
 The correct term should be
 "unispecific".
 
 The term "monotypic" sounds
 nomenclatural, and
 indeed has been defined
 as a nomenclatural term
 in the ICNafp. By
 contrast, "unispecific" represents
 a taxonomic concept
 
 Sometimes "monospecific" can be
 found, but this
 is ugly, as it is a hybrid
 combining a Greek and a
 Latin word
 element.
 
 Paul
 
 ----- Original Message -----
 
 From: "Stephen Thorpe" <stephen_thorpe at yahoo.co.nz>
 To: "taxacom" <taxacom at mailman.nhm.ku.edu>;
 "John Grehan" 
 <calabar.john at gmail.com>
 Sent: Thursday, December 14, 2017 7:44 AM
 Subject: Re: [Taxacom] monotypic or
 monobasic
 
 
 >I expect that these terms don't have
 very precise definitions and that 
 >there
 may be a fair amount of variation in exact usage. My feeling
 is that 
 >"monobasic" isn't
 used much any more. It presumably means "with a single
 
 >basis", i.e. "based on a
 single species". Monotypic presumably means "based
 
 >on a single type", though
 "type" should, I think, be interpreted in the 
 >general sense, not as types in the
 nomenclatural sense (i.e. type species 
 >or type specimens), which is a possible
 source of confusion. So, a genus 
 >with
 just one species regarded as valid would be monotypic, even
 if the 
 >single species had synonyms (and
 therefore more than one type specimen 
 >included). All nominal genera obviously
 have only one type species, whether 
 >or
 not the genus is monotypic! Monotypy is the act of basing a
 new genus on 
 >a single species. I have
 never seen or heard the term "monobasy"! I also
 
 >don't think that these terms apply
 to species, i.e. basing a new species on 
 >a single specimen doesn't make the
 species mono-anything!
 > Stephen
 >
 >
 --------------------------------------------
 > On Thu, 14/12/17, John Grehan <calabar.john at gmail.com>
 wrote:
 >
 > Subject:
 [Taxacom] monotypic or monobasic
 > To:
 "taxacom" <taxacom at mailman.nhm.ku.edu>
 > Received: Thursday, 14 December, 2017,
 6:07 PM
 >
 > Dear
 colleagues,
 >
 > I have
 seen the terms 'monotypic' and
 >
 'monobasic' applied to genera with a
 > single species. I am curious to know if
 > there is a technically correct
 > choice for the use of these terms for
 > such genera. If anyone may be able to
 > enlighten me as to the rules, if any,
 > governing how these terms are
 > properly used I would be most
 > grateful.
 >
 > John Grehan
 >
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 ---
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 virussen door AVG.
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 >
 
 
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 Nurturing Nuance while
 Assaulting Ambiguity for 30 Some Years, 1987-2017.