Leach, W. E. (1852). Molluscorum Britanniae Synopsis. A synopsis of the Mollusca of Great Britain arranged according to their natural affinities and anatomical structure. Van Voorst, London, viii + 376 pp. (edited posthumously by J. E. Gray). , available online athttps://www.biodiversitylibrary.org/page/13107076[details]
MolluscaBase eds. (2024). MolluscaBase. Gobraeus variabilis Leach, 1852. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=748847 on 2024-08-23
original descriptionLeach, W. E. (1852). Molluscorum Britanniae Synopsis. A synopsis of the Mollusca of Great Britain arranged according to their natural affinities and anatomical structure. Van Voorst, London, viii + 376 pp. (edited posthumously by J. E. Gray). , available online athttps://www.biodiversitylibrary.org/page/13107076[details]