World Register of Marine Species (WoRMS)
Bullia osculata (G. B. Sowerby III, 1900)
MolluscaBase eds. (2026). MolluscaBase. Bullia osculata (G. B. Sowerby III, 1900). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=554872 on 2026-08-01
Sowerby, G. B. III. (1900). On some marine shells from Pondoland and the Kowie, with descriptions of seventeen new species. Proceedings of the Malacological Society of London. 4(1): 1-7.