[Taxacom] Taxonomic question

Stephen Thorpe stephen_thorpe at yahoo.co.nz
Thu Mar 19 19:58:30 CDT 2020


 Maybe*, though we still have the small problem of description of the taxon vs. description of the parts of the organism preserved (which I assume is common for fossils?)
Stephen
*I say "maybe" because a common interpretation seems to be that "a description of the taxon that it denotes" has to actually faithfully describe that taxon in some way, or else it isn't really "a description of the taxon that it denotes"! So, I maintain that some element of intent is implicit here?
    On Friday, 20 March 2020, 12:41:38 am UTC, Thomas Pape via Taxacom <taxacom at mailman.nhm.ku.edu> wrote:  
 
 Actually, any description will be Code-compliant for these old names:

"To be available, every new name published before 1931 must [...] be accompanied by a description or a definition of the taxon that it denotes, or by an indication."

The requirement for intent (or actually "purport"), is for names proposed after 1930.

/Thomas

-----Original Message-----
From: Taxacom <taxacom-bounces at mailman.nhm.ku.edu> On Behalf Of Stephen Thorpe via Taxacom
Sent: 20. marts 2020 01:33
To: taxacom at mailman.nhm.ku.edu; Francisco Welter-Schultes <fwelter at gwdg.de>
Subject: Re: [Taxacom] Taxonomic question

 I would disagree very slightly with both Doug and Francisco in that I would say that it is the *intention* to denote a taxon which is the proper criterion, or else many old descriptions would be rendered unavailable for many important taxa! However, with a fossil, one might have to distinguish a taxonomic description from a mere description of which parts of the organism are preserved?
Stephen
    On Friday, 20 March 2020, 12:28:01 am UTC, Francisco Welter-Schultes via Taxacom <taxacom at mailman.nhm.ku.edu> wrote:  
 
 1865 p. 468 should be this one:
https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.biodiversitylibrary.org%2Fitem%2F96107%23page%2F508%2Fmode%2F1up&data=02%7C01%7Ctpape%40snm.ku.dk%7Cd439bae8e36e45ca923d08d7cc665862%7Ca3927f91cda14696af898c9f1ceffa91%7C0%7C0%7C637202612250462432&sdata=w3TwB%2FONSS3y6XHtZoNCoQaA%2FXWB6wBxdXX%2BJEDSdg0%3D&reserved=0

in addition to Doug's cited characters:

"the coriaceous integument of the body, and the hairs attached to the feet"
and
"resemblance to the recent genus Lycosa"

I would not employ the term "sad", for it lacks a neutral approach to the situation. Either this description denoted the taxon at the time when this was published, or not. Arachnological expertise is necessary to judge this. If it did not denote the taxon, i.e. if the description did clearly not allow to distinguish the taxon from others known at the time, then the next available source must be consulted.

-----
Francisco

Am 20.03.2020 um 01:03 schrieb Doug Yanega via Taxacom:
> I found "On a fossil spider from the coal-measures of Upper Silesia".
> 
> If this is treated as acceptable, it is very sad indeed that "four 
> pairs of feet with all their segments and the two palpi" qualifies as 
> a Code-compliant description.
> 
> Sigh.
> 
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