Bock, P. (2021). World List of Bryozoa. Graptodictya cleavelandi (James, 1881) †. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: http://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1411389 on 2024-10-16
Marine Species Traits editorial board (2024). Marine Species Traits. Graptodictya cleavelandi (James, 1881) †. Accessed at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=1411389 on 2024-10-16