(of)May, W. L. (1920). New species of Tasmanian Mollusca, with critical remarks on several described species, and additions to the list. <em>Papers and Proceedings of the Royal Society of Tasmania.</em> (1919): 55-69, pls 14-17., available online athttps://www.biodiversitylibrary.org/page/10048832[details]
MolluscaBase eds. (2025). MolluscaBase. Specula mammilla (May, 1920). Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=592377 on 2025-09-17
Marine Species Traits editorial board (2025). Marine Species Traits. Specula mammilla (May, 1920). Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=592377 on 2025-09-17
original description(of)May, W. L. (1920). New species of Tasmanian Mollusca, with critical remarks on several described species, and additions to the list. <em>Papers and Proceedings of the Royal Society of Tasmania.</em> (1919): 55-69, pls 14-17., available online athttps://www.biodiversitylibrary.org/page/10048832[details]
Present Inaccurate Introduced: alien Containing type locality