[Taxacom] Quick question re formation of a family-group name

Stephen Thorpe stephen_thorpe at yahoo.co.nz
Mon Dec 20 20:55:25 CST 2010

>The names "Pericelidae" and "Pericelididae" *are* formed in accordance with Art. 
>29.3 (either is allowed)

True (thanks to, but the -teuthis ones (and any other non -id cases) 
certainly aren't ...

so, I was right the first time (Art. 29.5 put me wrong)

to recap:

Pericelidae is the original spelling (i.e., elided)

so, by Art., the correct spelling depends on "prevailing usage" 
(primary taxonomic publications only, or Google hits?)

if "prevailing usage" is elided then correct spelling is Pericelidae

if "prevailing usage" is unelided then correct spelling is Pericelididae

are we any further to knowing what the correct spelling is?


From: Doug Yanega <dyanega at ucr.edu>
Sent: Tue, 21 December, 2010 2:35:27 PM
Subject: Re: [Taxacom] Quick question re formation of a family-group name

Stephen Thorpe wrote:

>we seem to have a communication breakdown over this issue!
>again I refer you both to:
>29.5. Maintenance of current spellings. If a spelling of a 
>family-group name was not formed in accordance with Article 29.3 but 
>is in prevailing usage, that spelling is to be maintained, whether 
>or not it is the original spelling and whether or not its derivation 
>from the name of the type genus is in accordance with the 
>grammatical procedures in Articles 29.3.1 and 29.3.2.

The names "Pericelidae" and "Pericelididae" *are* formed in 
accordance with Art. 29.3 (either is allowed).

Art. 29.5 only applies to cases where they are NOT, e.g., if the name 
had been spelled "Pericelisidae".


Doug Yanega        Dept. of Entomology        Entomology Research Museum
Univ. of California, Riverside, CA 92521-0314        skype: dyanega
phone: (951) 827-4315 (standard disclaimer: opinions are mine, not UCR's)
  "There are some enterprises in which a careful disorderliness
        is the true method" - Herman Melville, Moby Dick, Chap. 82


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