Monterosato, T. A. di. (1892). Monografia dei Vermeti del Mediterraneo. <em>Bullettino della Società Malacologica Italiana.</em> 17 (1–3): 7–48; pls I–VII [August 25th, 1892]., available online athttps://biodiversitylibrary.org/page/39076083 page(s): 28-29, p. 2 fig. 1-3 [details]
MolluscaBase eds. (2021). MolluscaBase. Vermetus (Bivonia) gregarius Monterosato, 1892. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=750977 on 2024-04-28
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Vermetus (Bivonia) gregarius Monterosato, 1892. Accessed at: http://marbef.org/data../aphia.php?p=taxdetails&id=750977 on 2024-04-28
original descriptionMonterosato, T. A. di. (1892). Monografia dei Vermeti del Mediterraneo. <em>Bullettino della Società Malacologica Italiana.</em> 17 (1–3): 7–48; pls I–VII [August 25th, 1892]., available online athttps://biodiversitylibrary.org/page/39076083 page(s): 28-29, p. 2 fig. 1-3 [details]