[Annelida] Eunicida: Nothria conchylega ?
Stanislas DUBOIS
via
annelida%40net.bio.net
(by Stanislas.Dubois from ifremer.fr)
Mon Oct 4 03:07:38 EST 2010
Hi polychaete lovers,
I'm currently fighting with a few individuals from the same species very
likely from the genus Nothria (Malmgren, 1866) but base on the keys I'm
using (i.e. Synopsis of the British Fauna n°32, Eunicida), I can't come
up with something satisfacory. Everything match with Nothria conchylega
(Sars, 1835) except the stout hooked chaeta from chaetiger 1 & 2 that
are missing and the occurrence of clearly bidendate hooked chaeta
instead. Speciment have been collected in South Brittany, France and I
do have "true" specimen of Nothria conchylega (Sars, 1835) from that
region with the stout hooked chaeta from chaetiger 1 & 2.
So, what is wrong with me? Does anyone have a better key with a better
description of this genus to provide? Have anyone face this problem yet?
Thanks for your help,
Stan.
--
______________________________________________________
Stanislas DUBOIS (PhD)
Laboratoire DYNECO / Ecologie Benthique
IFREMER - French Research Institute for Exploitation of the Sea
Technopole de Brest-Iroise
B.P. 70 - 29280 Plouzané - FRANCE
Tel: (33) +2 98 22 49 18
Mob: (33) +6 83 07 70 28
Fax: (33) +2 98 22 45 48
email: sdubois from ifremer.fr
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