Locard, A. & Caziot, E. (1900-1901). Les coquilles marines des côtes de Corse. <em>Annales de la Société Linnéenne de Lyon.</em> 46: 193-274 [1900]; 47: 1-80, 159-291 [1901]., available online athttps://www.biodiversitylibrary.org/page/54603755[details]
MolluscaBase eds. (2025). MolluscaBase. Mangilia difficilis Locard & Caziot, 1900. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=436525 on 2025-11-11
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Mangilia difficilis Locard & Caziot, 1900. Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=436525 on 2025-11-11
original descriptionLocard, A. & Caziot, E. (1900-1901). Les coquilles marines des côtes de Corse. <em>Annales de la Société Linnéenne de Lyon.</em> 46: 193-274 [1900]; 47: 1-80, 159-291 [1901]., available online athttps://www.biodiversitylibrary.org/page/54603755[details]