Dear all,
Upon closer examination, this is possible (although the current name is Harmothoe extenuata). Once you consider the Polynoinae however, there are many species on the Brittany shores and one needs to have a look at the scales (surface micro- and macrotubercles), as well as setal ends... In other words, not possible from this picture.
Stephane
On Jan 22, 2013, at 11:34 AM, Tempelman, David wrote:
> Dear all,
>> Marco Faasse just informed me, it is in his opinion Lagisca extenuata.
> met vriendelijke groet,
> David Tempelman
> Ecoloog - Senior Analist Macrofauna
> EIS-Nederland Coördinator Trichoptera
> Waarneming.nl administrator groep Macrofauna
> Grontmij | team Ecologie
> Locatie Science Park - Amsterdam
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>> Van: annelida-bounces from oat.bio.indiana.edu [mailto:annelida-bounces from oat.bio.indiana.edu] Namens Geoff Read
> Verzonden: maandag 21 januari 2013 22:00
> Aan: annelida from net.bio.net> Onderwerp: FW: [Annelida] FW: worm and tiny snails
>> Hi,
>> Alentia gelatinosa
>> Sent to me. Judging by the photos Google finds, I’d be pretty confident Stephane is correct.
> It looks like it _might_ be encountered non-immersed as in the photo, but people may have also laid them out on rocks to photograph? If those Onoba are upper shore littorinids it seems unnaturally high on the shore.
>> Geoff
>> From: Stephane Hourdez [mailto:hourdez from sb-roscoff.fr]
> Sent: Monday, 21 January 2013 9:38 p.m.
> To: Geoff Read
> Subject: Re: [Annelida] FW: worm and tiny snails
>> This looks like Alentia gelatinosa (the only such species in Northern France).
> Wormly,
>> Stephane
>> On Jan 20, 2013, at 10:00 PM, Geoff Read wrote:
>>> From: Tempelman, David [David.Tempelman from grontmij.nl]
> Sent: 21 January 2013 05:15
> To: annelida-bounces from oat.bio.indiana.edu> Cc: Rykel de Bruyne
> Subject: worm and tiny snails
>> Hi All,
>> We were wondering which species of Polychaete is on attached picture.
> The snails are Onoba semicostata, location France.
> Also interesting to know, what are these snails doing?
> Or is the worm consuming the snails?
> We have no clue.
> A 3 mb version of the photo is available if necessary (I suppose so).
> Many thanks ,
> David
> met vriendelijke groet,
> David Tempelman
> Ecoloog - Senior Analist Macrofauna
> EIS-Nederland Coördinator Trichoptera
> Waarneming.nl administrator groep Macrofauna
> Grontmij | team Ecologie
> Locatie Science Park - Amsterdam
> PO Box / Postbus 95125
> 1090 HC Amsterdam
> tel. + 31 20 751 2102
> mob. + 31 6 20 96 83 44
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> Dr. Stephane Hourdez
> Station Biologique de Roscoff
> CNRS-UPMC, UMR 7144
> Genetique des Adaptations aux Milieux Extremes
> 29680 Roscoff
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Dr. Stephane Hourdez
Station Biologique de Roscoff
CNRS-UPMC, UMR 7144
Genetique des Adaptations aux Milieux Extremes
29680 Roscoff
France
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Phone: +33-(0)298-29-2340
Fax: +33-(0)298-29-2324
E-mail: hourdez from sb-roscoff.fr
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