World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Semicassis whitworthi (Abbott, 1968). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=591491 on 2026-08-29
Abbott, R. T. (1968). The helmet shells of the world (Cassidae), Part 1. Indo-Pacific Mollusca. 2 (9): 7-201.