[Annelida] Re: Unusual Worm-like Animals

Colin Hermans via annelida%40net.bio.net (by hermans from rockisland.com)
Sat Jan 8 14:17:28 EST 2011


Dear All:  My best guess in place of two sipunculans is two severed  
tips of Macoma, incurrent siphons.  Circular muscles adjacent to the  
cut have contracted to form a sort of neck or caudal peduncle with  
frayed longitudinal muscles protruding to form a sort of tail or  
head, depending upon which way you look at it.  Cheers, Colin

On Jan 8, 2011, at 10:27 AM, Ole Gorm Norden Andersen wrote:

> Hi Paul,
>
>
>
> Just off hand, I judge the first two to be young Sipunculoids  
> (Golfingia. sp. perhaps) , while the last is perhaps some plant part.
>
>
>
> Best,
>
>
>
> Ole Gorm Norden Andersen, marine biologist
>
> Luscus Nature Watch, biological consultancy
>
> Store Rørbækvej 55
>
> DK-3600 Frederikssund
>
> Denmark
>
> <image001.png>
>
> tlf.: +4547100560
>
>
>
> From: annelida-bounces from oat.bio.indiana.edu [mailto:annelida- 
> bounces from oat.bio.indiana.edu] On Behalf Of Paul Chambers
> Sent: 8. januar 2011 14:02
> To: Annelida List
> Subject: [Annelida] Re: Unusual Worm-like Animals
>
>
>
> Dear All,
>
> During the past year subscribers to this list have very kindly  
> identified several specimens that were beyond my level of taxonomic  
> expertise. I hestitate to take up more of people's time, but I have  
> three microscopic worm-like animals that I cannot even begin to  
> identify (pictures attached). All three were sieved from very fine  
> sand associated with Zostera noltii on the extreme lower shore  
> (Jersey, Channel Islands).
>
> They are all 2 to 4mm long and I don't think that any are annelids  
> (especially 'Sp3', which may be part of an animal); as ever, any  
> suggestions will be gratefully received.
>
> Best wishes and happy new year to all,
>
>
> Paul Chambers
>
> <image001.png><Unident Sp1.jpg><Unident Sp2.jpg><Unident  
> Sp3.jpg>_______________________________________________
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