Portuguese Magelona (Annelida: Magelonidae) with a description of a new species, a re-description of Magelona wilsoni Glemarec, 1966 and a key to adult Magelonidae from European waters. Italian Journal of Zoology (Modena), 78(S1), October 2011: 124-139. 125 [Zoological Record Volume 148]