[Annelida] Nephtys sp.

Barbara Mikac via annelida%40net.bio.net (by barbara.mikac from cim.irb.hr)
Wed Mar 16 02:29:53 EST 2011


Hi Jerome,

Did you try to use the key for Nephtyidae in the book "Fauna Iberica,
Annelida Polychaeta I"? Maybe that could help. The full reference is:

Viéitez, J.M., Alos, C., Parapar, J., Besteiro, C., Moreira, J., Núñez,
J., Laborda, A.J., San Martín, G. (2004) Annelida, Polychaeta I. In:
Ramos, M.A. i sur. (Eds.) Fauna Ibérica, vol. 25. Museo Nacional de
Ciencias Naturales, CSIC, Madrid: 1- 530.

Good luck,
Barbara

_______
Barbara Mikac, PhD
Center for Marine Research
Ruđer Bošković Institute
G. Paliaga 5
52210 Rovinj
Croatia

On Tue, 2011-03-15 at 11:40 +0100, Jérôme Jourde wrote:
> Hello,
> 
> My name is Jerome Jourde, currently benthologist in the University of 
> Brest (France). I'm a newcomer on the Annelida mailing, please forgive 
> my possible blunders (particularly as regards my English).
> 
> I recently tried to identify several specimens of Nephtys that do not 
> match with the various descriptions I have (Faune de France, Fauna 
> Iberica, Polychaeta of Southern Africa, Rainer's papers). These 
> specimens are mainly from South  Brittany (France). The following 
> describes the main features of these specimens:
> 
> - Proboscis: 22 rows of 8-9 papillae, an odd dorsal papilla thinner and 
> shorter than the other papillae, no odd ventral papilla
> - 1st Segment: ventral cirri slightly thicker and longer than the 
> antennae, dorsal cirri reduced to a small blister.
> - gills appearing in the 4th setiger
> - Median segments: notopodial and neuropodial presetal lamellae well 
> developed, notopodial presetal lamellae bilobed; notopodial postsetal 
> lamellae developed, almost reaching the gill, neuropodial postsetal 
> lamellae reduced, no rugose area seen near the aciculae
> - branchial cirri well developed, almost as large as the gill at least 
> from the 25-30 th setiger to the end of the body(81 setigers)
> 
> Does anyone has encountered specimens corresponding to these 
> characteristics?
> Thanks for any help !
> 
> 
> Jérôme Jourde
> 
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