Bock, P. (2024). World List of Bryozoa. Ispanayella penniformis Balakin, 1975 †. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1404312 on 2024-08-14
Marine Species Traits editorial board (2024). Marine Species Traits. Ispanayella penniformis Balakin, 1975 †. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1404312 on 2024-08-14