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[Annelida] Re:

Naveen Namboodiri via annelida%40net.bio.net (by naveen.namboo from gmail.com)
Mon Apr 19 05:53:26 EST 2010


Dear Paul,

This looks like a sipunculan to me (maybe a phascolosoma or Apionosoma) with
its crown of tentacles at the tip of the introvert. Another possibility is
that it may be an echiuran.
Pogonophora<http://wapedia.mobi/en/Pogonophora_%28worm%29>,
Echiura <http://wapedia.mobi/en/Echiura> and
Sipuncula<http://wapedia.mobi/en/Sipuncula>,
previously regarded as separate phyla, are now regarded as sub-groups of
polychaetes.

Please do check if there are minute hooks surrounding the oral tentacles.

Best,
Naveen.

On Mon, Apr 19, 2010 at 1:26 PM, Paul Chambers <paulmchambers from hotmail.com>wrote:

>
> Dear All,
>
> The attached picture is of an invertebrate (approx 5mm length) that turned
> up in a littoral muddy sand sample take near to *Zostera* beds on the east
> coast of Jersey, Channel Islands (English Channel).
>
> I am pretty certain that it is not an annelid but I wondered if anyone has
> encountered something similar the course of their research? It reminds me of
> a sipunculan but I can't find a match in the literature I have available to
> me. Any thoughts will be gratefully received.
>
> With thanks,
>
>
> Paul Chambers
> paulmchambers from hotmail.com
>
>
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-- 
Naveen Namboothri
Founder Trustee
Dakshin Foundation
Second floor - Gowri Nilaya,
4th Cross, Vinayak Nagar,
Behind Baptist Hospital,
Hebbal, 560024
Bangalore.
Ph. +91 80 65356130

Post Doctoral Research Fellow
Centre for Ecological Sciences
Indian Institute of Science
Bangalore 560 012.

email - naveen_cas from yahoo.com
naveen.namboo from gmail.com
Mob. - +99900253390
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