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[Annelida] polychaete jaws

Peter Olive via annelida%40net.bio.net (by Peter.Olive from newcastle.ac.uk)
Thu Aug 7 07:31:04 EST 2014

>From Peter Olive

I agree that these are almost certainly from Alitta virens, the location is ok for that designation, many jaws would be deposited on beaches in the remains of spent swarming males during the breeding season in early spring.  You might easily find hundreds of jaws in the same location.

Peter Olive

From: annelida-bounces from oat.bio.indiana.edu [annelida-bounces from oat.bio.indiana.edu] on behalf of Haaren, Ton van [Ton.vanHaaren from grontmij.nl]
Sent: 07 August 2014 12:58
To: Harry Hove, ten; Annelida from net.bio.net
Cc: Jeroen Goud
Subject: RE: [Annelida] polychaete jaws

I guess you're right. In my opinion these photo's show typical nereidid jaws. As these jaws are black, diversicolor (inland species) and succinea can be ruled out; and as they are found on a beach, A. virens would be the most likely guess. However, the coastal Eunereis longissima also has dark jaws but my specimen from The Netherlands show a slightly longer and slender jaw and slightly different teeth than in these Scottish specimens. I'm not sure what other species to expect in Scotland, but if it was in The Netherlands I would say A. virens.

-----Oorspronkelijk bericht-----
Van: annelida-bounces from oat.bio.indiana.edu [mailto:annelida-bounces from oat.bio.indiana.edu] Namens Harry Hove, ten
Verzonden: donderdag 7 augustus 2014 13:01
Aan: Annelida from net.bio.net
CC: Jeroen Goud
Onderwerp: [Annelida] polychaete jaws

Dear all,

One of my malacologist colleagues found these jaws (3-4 mm) in fine gravel
on Thurso Beach, Scotland.[image: Inline afbeelding 1][image: Inline
afbeelding 2]
 To my untrained eye they are very similar to those of *Alitta virens* (M.
Sars, 1835). Can someone either confirm this hypothesis or give me a better

Harry A. ten Hove

T 071-5687657, M

Darwinweg 2 - 2333 CR Leiden
E Harry.tenHove from naturalis.nl I , www.naturalis.nl

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