World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Neptunea acutispiralis Okutani, 1968. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=491156 on 2026-08-03
Okutani, T. (1968). Bathyal and abyssal Mollusca trawled from Sagami Bay and the south off Boso Peninsula by the R/V Soyo-Maru, 1965–1967. Bulletin of the Tokai Regional Fisheries Research Laboratory. 56: 7-55, pls 1-3.