World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Margarita expansa G. B. Sowerby I, 1838. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=437343 on 2026-08-01
Sowerby, G. B. I. (1838). A descriptive catalogue of the species of Leach's genus Margarita. The Malacological and Conchological Magazine. 1: 23–27.