Dear Eduardo,
Looking at the pictures, what you have seen looks like a Polybostrichus
form, which corresponds to the male stolon of a species of Autolytine.
Dani.
Al 02/09/12 00:01, En/na Eduardo Zattara ha escrit:
> Dear annelidians,
>> I am trying to give a name to a polychaete specimen I collected and
> photographed at a sand/mud flat near Woods Hole, MA. I have attached
> two pictures, one taken while the animal was alive, and the other
> after fixation, immunostaining and mounting. Since my experience is
> mostly on rather unadorned oligochaetes, my ability to key this
> specimen is somewhat limited, but I reckon it is likely to be a syllid
> from the genus /Autolytus/. Smith's key to marine invertebrates of the
> Woods Hole region points to Pettibone 1963, and there only six species
> listed there: /A. emertoni, A. prismaticus, A. fasciatus, A. cornutus,
> A. prolifer /and /A. alexandri. /But given that these worms can be
> found as the stem morph or a sexual stolon, things got a few confusing
> and I thought of asking rather than coming to the wrong identification
> by myself. I would appreciate any opinions on the identity of this guy
> (or gal).
>> Thanks!
>> -Ed-
>> "Only in silence the word,
> only in dark the light,
> only in dying life :
> bright the hawk's flight on the empty sky"
>> --------------
> Dr. Eduardo E. Zattara
> Department of Biology
> College of Computer, Mathematics and Natural Sciences
> University of Maryland
> College Park, MD 20742-4415 USA
>> email: ezattara from umd.edu <mailto:ezattara from umd.edu>
> phone: +1 (301) 405 0239 /-0453 (lab)
> lab: 0249 Biology/Psychology bldg
>http://www.life.umd.edu/biology/bely/people-EduardoZattara.html>>> _______________________________________________
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