Todaro, A.; d'Hondt, J-L. (2024). World Gastrotricha Database.
Ichthydium (Ichthydium) cyclocephalum Gr?nspan, 1908. Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: https://www.marinespecies.org/Urmo/aphia.php?p=taxdetails&id=760983 on 2024-05-02
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
Ichthydium (Ichthydium) cyclocephalum Grünspan, 1908. Accessed at: https://marinespecies.org/urmo/aphia.php?p=taxdetails&id=760983 on 2024-05-02