MolluscaBase eds. (2021). MolluscaBase.
Helicella nubigena (de Saulcy, 1852). Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: http://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1002377 on 2024-05-01
Marine Species Traits editorial board (2024). Marine Species Traits.
Helicella nubigena (de Saulcy, 1852). Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1002377 on 2024-05-01