MolluscaBase eds. (2024). MolluscaBase.
Helix (Tachea) palaeocastrensis De Stefani, 1891 †. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=1479232 on 2024-04-30
Marine Species Traits editorial board (2024). Marine Species Traits.
Helix (Tachea) palaeocastrensis De Stefani, 1891 †. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1479232 on 2024-04-30