Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species.
Hexelasma americanum Pilsbry, 1916. Accessed at: https://vliz.be/vmdcdata/narms/narms.php/narms.php?p=taxdetails&id=106242 on 2025-06-09