Swalla, B.J.; van der Land, J. (2025). Hemichordata World Database. Cephalodiscoidea. Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: https://marinespecies.org/Urmo/aphia.php?p=taxdetails&id=579850 on 2025-09-11
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Cephalodiscoidea. Accessed at: https://marinespecies.org/Urmo/aphia.php?p=taxdetails&id=579850 on 2025-09-11
basis of recordBeklemishev, V.N. 1951. Toward the building of system of animals. Deuterostomia, their origin and composition. [in Russian]. - Uspekhi Sovremennoy Biologii 32, 256-270.[details]