Lamarck, [J.-B. M.] de. (1822). <i>Histoire naturelle des animaux sans vertèbres</i>. Tome sixième, 2me partie, 232 pp. Paris, published by the author. , available online athttp://biodiversitylibrary.org/page/13181853 page(s): 36 [details]
MolluscaBase eds. (2021). MolluscaBase. Bulla fragilis Lamarck, 1822. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://marbef.org/data/aphia.php?p=taxdetails&id=565025 on 2026-07-07
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Bulla fragilis Lamarck, 1822. Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=565025 on 2026-07-07
original descriptionLamarck, [J.-B. M.] de. (1822). <i>Histoire naturelle des animaux sans vertèbres</i>. Tome sixième, 2me partie, 232 pp. Paris, published by the author. , available online athttp://biodiversitylibrary.org/page/13181853 page(s): 36 [details]
additional sourceMermod, G. (1950). Les types de la collection Lamarck au Muséum de Genève. Mollusques vivants. Part 1. <em>Revue Suisse de Zoologie.</em> 57: 687–756., available online athttps://www.biodiversitylibrary.org/page/43786637 page(s): 729, fig. 33 [types] [details]
