Taxacom: Article 23.9 - Reversal of precedence

[Rosenberg,Gary]

I think the relevant article of Code is 35.5, which says "If after 1999 a name in use for a family-group taxon (e.g. for a subfamily) is found to be older than a name in prevailing usage for a taxon at higher rank in the same family-group taxon (e.g. for the family within which the older name is the name of a subfamily) the older name is not to displace the younger name."

Best wishes,
Gary

-----Original Message-----
From: Taxacom <taxacom-bounces at lists.ku.edu> On Behalf Of Laurent Raty via Taxacom
Sent: Sunday, June 9, 2024 9:22 AM
To: taxacom at lists.ku.edu
Subject: Re: Taxacom: Article 23.9 - Reversal of precedence

External.

In the situation described by Michael (and which he would like to preserve), Pseudocrenilabrinae Fowler 1934 is given precedence over Haplochrominae Hoedeman 1947 at subfamily rank, while Haplochromini Hoedeman 1947 is given precedence over Pseudocrenilabrini Fowler 1934 at tribe rank.

This is, actually, in direct violation of Art. 23.3.1.

I don't think the Code offers a way to preserve this type of situation.

('Haplochromini' should probably be called Pseudocrenilabrini -- this name is senior, and I see nothing that invalidates it.)

Laurent -


On 6/9/24 11:41, Francisco Welter-Schultes via Taxacom wrote:
> Brilliant. Thank you Michael for this precious question. Such requests
> are very useful because we can provide such cases as Examples for the
> next Code edition.
>
> Stephen was apparently on the right path. If I have not overlooked
> something important.
>
> Decisive should be Art. 23.3.1:
>
> "23.3.1. Priority of the name of a nominal taxon is not affected by
> elevation or reduction in rank of the taxon within the family group,
> genus group or species group [Arts. 36, 43, 46], nor by any mandatory
> change in suffix of a family-group name consequent upon change in rank
> [Art. 34]."
>
> If the action was taken under Art. 23.9.2 then the senior name as such
> was fixed as not having precedence over the junior name. The term
> "synonym" refers to a name, which can be extracted from the Glossary.
>
> GLOSSARY
> "synonym, n. Each of two or more names of the same rank used to denote
> the same taxonomic taxon."
>
> So under Art. 23.9.2 was determined that the senior tribe name should
> not have precedence over the junior tribe name.
> Art. 23.3.1 determines that priority is not affected by reduction of
> this tribe name in rank to denote a subtribe name.
> So the synonymy will also apply to the subtribe situations.
>
> Michael, could you provide your publication for being used as an
> Example to illustrate this case? Is it open access?
>
> Best wishes
> Francisco
>
> Am 09.06.2024 um 03:42 schrieb Stephen Thorpe via Taxacom:
>>   My understanding is that the rank is irrelevant if family group
>> taxon A is given precedence over family group taxon B, then it has
>> precedence whatever the rank.
>> Cheers, Stephen
>>      On Sunday, 9 June 2024 at 12:07:56 pm NZST, Michael Oliver via
>> Taxacom <taxacom at lists.ku.edu> wrote:
>>     Fowler (1934) proposed the new subfamily name Pseudocrenilabrinae
>> for his new cichlid fish species *Pseudocrenilabrus natalensis*
>> (which he thought was a wrasse). This subfamily name is currently
>> used for the cichlid clade including all African and Middle Eastern
>> cichlids. Within this subfamily, the largest tribe is known as
>> Haplochromini Hoedeman 1947. However, this tribe contains the genus
>> *Pseudocrenilabrus*, and Pseudocrenilabrini (a name never used)
>> predates Haplochromini. I intend under Article 23.9 to protect the
>> younger name Haplochromini (nomen protectum) and invalidate
>> Pseudocrenilabrini (nomen oblitum). All requirements of Article
>> 23.9.1.1 and 23.9.1.2 are met; thus, the prevailing use of
>> Haplochromini must be maintained.
>>
>> Here's my question: I also intend to coin several subtribes within
>> Haplochromini, including one for the group including
>> *Pseudocrenilabrus*.
>> Invalidating an older name at one family-group rank doesn't
>> invalidate names based on the same stem at other ranks, does it?
>> Specifically, the subfamily name Pseudocrenilabrinae and a new
>> subtribe named Pseudocrenilabrina would not be affected by
>> invalidation of the tribe name Pseudocrenilabrini, would they?
>>
>> Cheers
>> Michael
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