Maciolek 1985. A revision of the genus Prionospio Malmgren, with special emphasis on species from the Atlantic Ocean, and new records of species belonging to the genera Apoprionospio Foster and Paraprionospio Caullery (Polychaeta, Annelida, Spionidae). Zoological Journal of the Linnean Society, 84(4) 1985: 325-385