World Register of Marine Species (WoRMS)
Epitonium (Asperiscala) longinosanum DuShane, 1970
MolluscaBase eds. (2026). MolluscaBase. Epitonium (Asperiscala) longinosanum DuShane, 1970. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=995070 on 2026-08-29
DuShane, H. (1970). Five new epitoniid gastropods from the West Coast of the Americas. Los Angeles County Museum Contributions in Science. 185: 1-6.