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[Annelida] the status of Fabricia oregonica

eduardo.lopez from uam.es via annelida%40net.bio.net (by eduardo.lopez from uam.es)
Thu Mar 25 05:51:59 EST 2010

Dear Kirk,

  some time ago we faced a similar question regarding a new species  
which was similar to Fabricinuda, but not sharing all generic traits.  
Then, we had to decide wether to name a monotypic genus or to redefine  
the existing one and opted for the second choice. This is to say that  
I'm not exactly a splitter. However, in your case I consider more  
appropiate to define a new genus, even if monotypic. The much needed  
revision of the Fabriciinae genera might re-place the taxon oregonica  
or more probably provide new species to be assigned to your genus.

Best wishes


   "J. Kirk Fitzhugh" <kfitzhugh from nhm.org> escribió:

> All,
> I wanted to ask for opinions on a basic nomenclatural/systematics  
> decision that I have to make. I'm finishing descriptions of recently  
> collected individuals of /Fabricia oregonica/ Banse, 1956. The  
> original material is in extremely poor condition, which precluded me  
> from earlier adding to Banse's description. Plus, the only well  
> described species in /Fabricia/ up to this point is /F. stellaris/.  
> With these new specimens belonging to /F. oregonica/, I've looked at  
> phylogenetic relationships, and /F. oregonica/ is not a sister taxon  
> to /F. stellaris/.
> So, I have two choices. (1) Place /F. oregonica/ in a yet another  
> new, monotypic genus. (2) Leave the species in /Fabricia/, and just  
> acknowledge that the genus can't be unambiguously defined.
> Any thoughts? Opinions?
> Thanks,
> Kirk
> -- 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> J. Kirk Fitzhugh, Ph.D.
> Curator of Polychaetes
> Invertebrate Zoology Section
> Research & Collections Branch
> Natural History Museum of Los Angeles County
> 900 Exposition Blvd
> Los Angeles CA 90007
> Phone: 213-763-3233
> FAX: 213-746-2999
> e-mail: kfitzhug from nhm.org
> http://www.nhm.org/site/research-collections/polychaetous-annelids
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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