World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Mamillaria tumida Swainson, 1840. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=570136 on 2026-08-28
Swainson, W. (1840). A treatise on malacology; or the natural classification of shells and shell-fish. Longman, London, viii + 419 pp.