World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Semicassis bulla T. Habe, 1961. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=591449 on 2026-08-29
Habe, T. (1961). Coloured illustrations of the shells of Japan (II). Hoikusha, Osaka. xii + 183 + 42 pp., 66 pls. xii + 183 + 42 pp., 66 pl.
Beu, A.G., Bouchet, P. & Tröndlé, J. (2012). Tonnoidean gastropods of French Polynesia. Molluscan Research. 32(2): 61-120.