World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Spinidrupa infans (E. A. Smith, 1884). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=576877 on 2026-08-24
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Smith, E. A. (1903). A list of species of Mollusca from South Africa, forming an Appendix to G. B. Sowerby's "Marine Shells of South Africa". Proceedings of the Malacological Society of London. 5 (6): 354-402, pl. 15.