[Taxacom] Question about nomina nuda as type species

Laurent Raty l.raty at skynet.be
Mon Sep 18 07:40:27 CDT 2017


Well, it stems more or less directly from the nature of type species as 
defined in the Code:
- 67.1: "The name-bearing type of a nominal genus or subgenus is a 
nominal species".
- Glossary: "nominal taxon - A concept of a taxon which is denoted by an 
available name [...]".
...and from the definition of "nomen nudum":
- Glossary: "a name that, if published before 1931, fails to conform to 
Article 12; or, if published after 1930, fails to conform to Article 13. 
A nomen nudum is not an available name [...]".

Something denoted by a nomen nudum is not (as per the definition of that 
term) denoted by an available name, thus cannot (as per the definition 
of that term) be a nominal species, thus is not (as per 67.1) of a 
nature compatible with being a type species.

Perhaps you could explain what made the name a nomen nudum in your case?

Cheers, Laurent -



On 09/18/2017 01:33 PM, Guilherme Garbino wrote:
> Dear colleagues,
> 
> Thank you for the answers.
> 
> Stephen, thank you for your clarirfication. Yes, I am talking about
> ZOOLOGICAL nomenclature. But could not find this specific case in the Code.
> I agree with you that the type designation in this case cannot be sustained
> and a new type species must be selected.
> 
> David, thanks for the link. It however does not contemplate the situation
> where a nomen nudum is selected at type for a genus.
> 
> All the best,
> 
> 2017-09-18 6:31 GMT-03:00 David Patterson <patterson.david.joseph at gmail.com>
> :
> 
>> see
>>
>> http://iczn.org/content/what-nomen-nudum
>>
>> David
>>
>> David J. Patterson
>>
>> On Mon, Sep 18, 2017 at 11:44 AM, Guilherme Garbino <gstgarbino at gmail.com>
>> wrote:
>>
>>> Dear colleagues,
>>>
>>> I have a short question on nomina nuda as type species.
>>>
>>> If a subsequent author chose as type species of a genus a nomen nudum, can
>>> another author invalidate this selection and chosse a valid taxon instead?
>>> He could have chosen a valid name but chose the nomen nudum following the
>>> recommendation to choose the first species in the list under the genus.
>>>
>>> Thanks!
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