(ofAncylus gussoni O. G. Costa, 1829)Costa O.G. (1829). Osservazioni Zoologiche intorno ai testacei dell'Isola di Pantelleria. Napoli, Tipografia della Minerva 12 pp. page(s): 10-11 [details]
MolluscaBase eds. (2021). MolluscaBase. Williamia gussonii [sic]. 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=751986 on 2024-03-30
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Williamia gussonii [sic]. Accessed at: https://marbef.org/data../aphia.php?p=taxdetails&id=751986 on 2024-03-30
original description(ofAncylus gussoni O. G. Costa, 1829)Costa O.G. (1829). Osservazioni Zoologiche intorno ai testacei dell'Isola di Pantelleria. Napoli, Tipografia della Minerva 12 pp. page(s): 10-11 [details]
basis of recordPallary, P. (1900). Coquilles marines du littoral du département d'Oran. <em>Journal de Conchyliologie.</em> 48(3): 211-422., available online athttp://biodiversitylibrary.org/page/25146965 page(s): 244 [details]
Present Inaccurate Introduced: alien Containing type locality