Todaro, A.; d'Hondt, J-L. (2024). World Gastrotricha Database.
Ichthydium (Ichthydium) cyclocephalum Grünspan, 1908. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=760983 on 2024-05-11
Marine Species Traits editorial board (2024). Marine Species Traits.
Ichthydium (Ichthydium) cyclocephalum Grünspan, 1908. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=760983 on 2024-05-11