Swalla, B.J.; van der Land, J. (2024). Hemichordata World Database. Enteropneusta
incertae sedis. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: http://marbef.org/data/aphia.php?p=taxdetails&id=22753 on 2024-04-18
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Enteropneusta
incertae sedis. Accessed at: http://www.marbef.org/data../aphia.php?p=taxdetails&id=22753 on 2024-04-18