Bock, P. (2024). World List of Bryozoa. Umbonula gigantea Canu, 1912 †. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=1409591 on 2024-09-14
Marine Species Traits editorial board (2024). Marine Species Traits. Umbonula gigantea Canu, 1912 †. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1409591 on 2024-09-14