Swalla, B.J.; van der Land, J. (2021). Hemichordata World Database. Graptolithoidea. Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=579849 on 2024-04-26
RAS (Eds.) (2024). Register of Antarctic Species. Graptolithoidea. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=579849 on 2024-04-26
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]
Present Inaccurate Introduced: alien Containing type locality