Swalla, B.J.; van der Land, J. (2024). Hemichordata World Database. Cephalodiscoidea. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=579850 on 2024-08-23
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]