MolluscaBase eds. (2024). MolluscaBase.
Opalia (Funiscala) De Boury, 1891 †. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=1312577 on 2024-05-02
Marine Species Traits editorial board (2024). Marine Species Traits.
Opalia (Funiscala) De Boury, 1891 †. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1312577 on 2024-05-02