Pisione parapari n. sp., a new pisionid from the north-east Atlantic (Polychaeta : Pisionidae)

Pisione parapari n. sp, is described from shallow waters off North-West Spa in. This new species and I? remota (Southern, 1914) are the only representa tives of the genus and family reported from Iberian waters. P. parapari is characterised by the presence of several (1-4) non-succesive male copulator y organs, and by having slightly elongated dorsal cirri in chaetiger 2, an undivided neuropodial lobe, parapodia provided with long-bladed compound ch aetae, and smooth palps.