MolluscaBase eds. (2024). MolluscaBase.
Opalia calyx T. Nakayama, 2012. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=703711 on 2024-05-02
Marine Species Traits editorial board (2024). Marine Species Traits.
Opalia calyx T. Nakayama, 2012. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=703711 on 2024-05-02