Schumacher, C. F. (1817). Essai d'un nouveau système des habitations des vers testacés. <em>Schultz, Copenghagen.</em> iv + 288 pp., 22 pls., available online athttp://www.biodiversitylibrary.org/item/81329 page(s): 56, 182 [details]
MolluscaBase eds. (2021). MolluscaBase. Crucibulum Schumacher, 1817. 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=160231 on 2022-07-03
NARMS (2022). Crucibulum Schumacher, 1817. Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=160231 on 2022-07-03
original descriptionSchumacher, C. F. (1817). Essai d'un nouveau système des habitations des vers testacés. <em>Schultz, Copenghagen.</em> iv + 288 pp., 22 pls., available online athttp://www.biodiversitylibrary.org/item/81329 page(s): 56, 182 [details]
Present Inaccurate Introduced: alien Containing type locality