[Annelida] RE: Oligochaete with anal cirri?

Geoff Read via annelida%40net.bio.net (by Geoffrey.Read from niwa.co.nz)
Thu Feb 2 00:34:02 EST 2012


And here is a couple of small images, one of either end.  Magnification x200 or so.

Geoff

> -----Original Message-----
> From: annelida-bounces from oat.bio.indiana.edu [mailto:annelida-
> bounces from oat.bio.indiana.edu] On Behalf Of Geoff Read
> Sent: Thursday, 2 February 2012 2:58 p.m.
> To: Polychaete mailing list
> Subject: [Annelida] Oligochaete with anal cirri?
>
> Dear all,
>
> Quick question? Do oligochaetes ever have a pair of anal cirri?  I have been
> looking at offshore samples from mobile coarse sands with some interesting
> small worms in them, and there is this apparent oligochaete (or not) which has a
> lovely pair of delicate anal cirri.  It has a long prostomium, or perhaps it's the
> pygidium if I've oriented it wrong way round (it's hard to say), is exceedingly thin
> (0.15 mm w, & TL 10 mm) like a marine oligochaete, has mixed capillaries and
> slightly thicker shorter unifid S-shaped single chaetae.  What do you reckon it
> could be if not an oligochaete?  There are no tentacles along the body (as in
> cirratulids and affiliates). There is a polygordiid genus which has chaetae, but
> apparently not along the whole body as this worm has.
>
> Thanks in advance for your ideas to enlighten me.

--
Please consider the environment before printing this email.
NIWA is the trading name of the National Institute of Water & Atmospheric Research Ltd.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Unknown_IKA1101-53_7026crop.jpg
Type: image/jpeg
Size: 71799 bytes
Desc: Unknown_IKA1101-53_7026crop.jpg
Url : http://www.bio.net/bionet/mm/annelida/attachments/20120202/8b446025/Unknown_IKA1101-53_7026crop.jpg
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Unknown_IKA1101-53_7025crop.jpg
Type: image/jpeg
Size: 92449 bytes
Desc: Unknown_IKA1101-53_7025crop.jpg
Url : http://www.bio.net/bionet/mm/annelida/attachments/20120202/8b446025/Unknown_IKA1101-53_7025crop.jpg


More information about the Annelida mailing list