Friele H. (1886). Zoology, Mollusca II. <i> Den Norske Nordhavs-expedition, 1876-1878</i>, 3(16): 1-44, pl. 7-12, available online athttp://biodiversitylibrary.org/page/7325215 page(s): 34, pl. XI, fig. 19 [details]
MolluscaBase eds. (2025). MolluscaBase. Cyclostrema willei Friele, 1886. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: http://marbef.org//marbef.org/data/aphia.php?p=taxdetails&id=740824 on 2026-10-05
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Cyclostrema willei Friele, 1886. Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=740824 on 2026-10-05
original descriptionFriele H. (1886). Zoology, Mollusca II. <i> Den Norske Nordhavs-expedition, 1876-1878</i>, 3(16): 1-44, pl. 7-12, available online athttp://biodiversitylibrary.org/page/7325215 page(s): 34, pl. XI, fig. 19 [details]
source of synonymyWarén, A. (1991). New and little known Mollusca from Iceland and Scandinavia. <em>Sarsia.</em> 76(1-2): 53-124. (look up in IMIS), available online athttps://doi.org/10.1080/00364827.1991.10413466 page(s): 64 [details] Available for editors