Swalla, B.J.; van der Land, J. (2023). Hemichordata World Database. Cephalodiscoidea. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2023) European Register of Marine Species at: http://marbef.org/data/aphia.php?p=taxdetails&id=579850 on 2023-12-05
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2023). European Register of Marine Species. Cephalodiscoidea. Accessed at: https://www.marbef.org/data../aphia.php?p=taxdetails&id=579850 on 2023-12-05
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]