MolluscaBase eds. (2024). MolluscaBase.
Helix valverdensis R. T. Lowe, 1861. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1632179 on 2024-05-08
Marine Species Traits editorial board (2024). Marine Species Traits.
Helix valverdensis R. T. Lowe, 1861. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1632179 on 2024-05-08