Monterosato, T. A. di. (1888-1889). Molluschi del Porto di Palermo. Specie e varietà. <em>Bullettino della Società Malacologica Italiana.</em> 13(11–13): 161–180. [October 15th, 1888]; 14(4-6): 75-81 [April 20th, 1889]., available online athttp://biodiversitylibrary.org/page/39283622 page(s): 175 [details]
MolluscaBase eds. (2021). MolluscaBase. Gibbula pygmaea var. depressula Monterosato, 1888. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.marbef.org/data../aphia.php?p=taxdetails&id=753094 on 2023-12-01
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2023). European Register of Marine Species. Gibbula pygmaea var. depressula Monterosato, 1888. Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=753094 on 2023-12-01
original descriptionMonterosato, T. A. di. (1888-1889). Molluschi del Porto di Palermo. Specie e varietà. <em>Bullettino della Società Malacologica Italiana.</em> 13(11–13): 161–180. [October 15th, 1888]; 14(4-6): 75-81 [April 20th, 1889]., available online athttp://biodiversitylibrary.org/page/39283622 page(s): 175 [details]