MolluscaBase eds. (2024). MolluscaBase.
Parvisipho freytagi Traub, 1980 †. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=1636712 on 2024-05-01
Marine Species Traits editorial board (2024). Marine Species Traits.
Parvisipho freytagi Traub, 1980 †. Accessed at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=1636712 on 2024-05-01