Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Paradexiospira violacea (Levinsen, 1883). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=131215 on 2026-08-06
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Paradexiospira violacea (Levinsen, 1883). Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=131215 on 2026-08-06
original description(ofSpirorbis violaceus Levinsen, 1883)Levinsen, G.M.R. (1883). Systematisk-geografisk Oversigt over de nordiske Annulata, Gephyrea, Chaetognathi og Balanoglossi. <em>Videnskabelige Meddelelser fra Dansk naturhistorisk Forening i Köbenhavn, 1882.</em> 160-251., available online athttp://biodiversitylibrary.org/page/34979059[details]
basis of recordBellan, G. (2001). Polychaeta, <i>in</i>: Costello, M.J. <i>et al.</i> (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. <em>Collection Patrimoines Naturels.</em> 50: 214-231. (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality