Bock, P. (2024). World List of Bryozoa. Columnella borealis spatulata d'Hondt, 1974. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=468336 on 2024-08-14
Marine Species Traits editorial board (2024). Marine Species Traits. Columnella borealis spatulata d'Hondt, 1974. Accessed at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=468336 on 2024-08-14