Swalla, B.J.; van der Land, J. (2024). Hemichordata World Database. Graptolithoidea. Accessed through: The UK Marine Environmental Data and Information Network (2024) Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=579849 on 2024-07-25
The UK Marine Environmental Data and Information Network (2024). Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications. Graptolithoidea. Accessed at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=579849 on 2024-07-25
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