Sowerby, G. B. III. (1907). Descriptions of new marine Mollusca from New Caledonia, etc. <em>Proceedings of the Malacological Society of London.</em> 7: 299-303, pl. 25., available online athttps://www.biodiversitylibrary.org/page/15797781[details]
MolluscaBase eds. (2024). MolluscaBase. Mormula excellens G. B. Sowerby III, 1907. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=595835 on 2024-05-03
original descriptionSowerby, G. B. III. (1907). Descriptions of new marine Mollusca from New Caledonia, etc. <em>Proceedings of the Malacological Society of London.</em> 7: 299-303, pl. 25., available online athttps://www.biodiversitylibrary.org/page/15797781[details]