[Some vol.2 species are also linked here but see also source
id51472]. This is the main link to most polychaetes in Quatrefages Annelés marins. However many polychaetes in volume 2 belong under source 51472. These will be changed.
This work was not published until the summer of 1866 according to Wright in Zoological Record vol.3. In any case at earliest the date defaults to 31 December 1865 under the code as the true date is unknown
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