(of)May, W.L. (1911). New marine Mollusca. <em>Papers and Proceedings of the Royal Society of Tasmania.</em> (for 1910): 380–398, pls 13–15., available online athttps://www.biodiversitylibrary.org/page/10108849 page(s): 394, pl. 15 fig. 21 [details]
MolluscaBase eds. (2025). MolluscaBase. Retizafra multicostata (May, 1911). Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=511744 on 2025-05-22
Marine Species Traits editorial board (2025). Marine Species Traits. Retizafra multicostata (May, 1911). Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=511744 on 2025-05-22
original description(of)May, W.L. (1911). New marine Mollusca. <em>Papers and Proceedings of the Royal Society of Tasmania.</em> (for 1910): 380–398, pls 13–15., available online athttps://www.biodiversitylibrary.org/page/10108849 page(s): 394, pl. 15 fig. 21 [details]
basis of recordMonsecour, K. (2010). Checklist of Columbellidae. pers. comm.[details]
Present Inaccurate Introduced: alien Containing type locality