Hi,
I have only seen the photo attached to the original e-mail, and would have to say the specimen is an unidentifiable polynoid as I can't make out the head (or, of course, the exact shape of the chaetae). However, it does look as though the scales have some sort of peri-marginal papillae, which Harmothoe extenuata has and Alentia gelatinosa doesn't.
Alex Muir.
Mr. A.I. Muir, Nematode and Polychaete Research Group, Aquatic Invertebrates Division, Life Sciences Department, The Natural History Museum, Cromwell Road, South Kensington, LONDON SW7 5BD, UNITED KINGDOM
Tel: +44 (0)20 7942 5567 Fax: +44 (0)20 7942 5054
http://www.nhm.ac.uk/research-curation/staff-directory/zoology/a-muir/index.html
From: annelida-bounces from oat.bio.indiana.edu [mailto:annelida-bounces from oat.bio.indiana.edu] On Behalf Of Tempelman, David
Sent: 22 January 2013 10:34
To: annelida from net.bio.net
Subject: RE: [Annelida] FW: worm and tiny snails
Dear all,
Marco Faasse just informed me, it is in his opinion Lagisca extenuata.
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<mailto: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<http://Waarneming.nl> administrator groep Macrofauna
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