World Register of Marine Species (WoRMS)
Cyclonenia cyclostoma (L. Pfeiffer, 1850)
MolluscaBase eds. (2026). MolluscaBase. Cyclonenia cyclostoma (L. Pfeiffer, 1850). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1291529 on 2026-08-30
Pfeiffer, L. (1850). Descriptions of thirty new species of Tornatellina, Cylindrella, and Clausilia, from the collection of H. Cuming, Esq. Proceedings of the zoological Society of London. 17 (198) [“1849”]: 134-141. London [30 June].