World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Angulus agilis (W. Stimpson, 1858). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=420855 on 2026-08-28
Stimpson, W. (1858). Scientific Intelligence - Botany and Zoology. The American Journal of Science and Arts. 25:124-126.