[Taxacom] History and observance of ICZN Art. 67.2

Francisco Welter-Schultes fwelter at gwdg.de
Thu Nov 1 15:54:40 CDT 2018


In the mid-1800s I saw many cases where type designations for genera 
were proposed with species that were not originally included, at least 
in malacology. So for me the situation you reported sounds like 
something absolutely usual. Sometimes there were three or four different 
proposals until one author proposed a type species that had originally 
been included. And in that successful attempt the author was possibly 
not even aware of that.

Cheers
Francisco

Am 01.11.2018 um 18:25 schrieb John Sullivan:
> Thomas & Francisco, thanks so much for these informative replies!
> 
> Unfortunately, Art. 69.2.2 does not apply because Gill nowhere explicitly acknowledges in this publication that he recognizes the synonymy of M. labiatus Geoff. and M. cyprinoides L.  It’s just my supposition that he understood them to be synonyms and chose to use the current, valid name when designating the type.
> 
> The history of the Code is very interesting. I had a look at the Strickland Code and its Proposition 5 says “When the evidence as to the original type of a genus is not perfectly clear and indisputable, then the person who first subdivides the genus may affix the original name to any portion of it at his discretion, and no later author has a right to transfer that name to any other part of the original genus,” but does not directly address the issue of using original names vs. synonyms when designating a generic type species.
> 
> I’m curious to know how many instances from this period there are of type species designations of this sort that were afterwards ruled invalid.
> 
> ~ J.P. Sullivan
> 
> 
> 
> 
> 
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