External sensory structure in Annelids

Tom Parker tparker at lacsd.org
Mon May 24 15:16:50 EST 2004


Greetings:

A few years ago I encountered specimens of Eteone from local So California 
sediments that had antennae with weakly "articulated" appearance(3-5 joints). 
Upon compound scope examination, small tufts of "sensory fibers" could be seen 
originating at each of these weak articulations.  Some specimens appeared to 
show this condition more clearly than others, and is assumed to be due to 
contraction  effects.  Like many minor morphological conditions, its not 
obviously apparent unless you are looking for it specifically....then you can 
see it on many specimens.  

bye for now,

Tom Parker
Marine Biology Laboratory
CSDLAC
<tparker at lacsd.org>

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