World Register of Marine Species (WoRMS)
Rissoa membranacea var. gracilis (Forbes & Hanley, 1850)
MolluscaBase eds. (2026). MolluscaBase. Rissoa membranacea var. gracilis (Forbes & Hanley, 1850). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=416733 on 2026-08-28