Read, G.; Saiz-Salinas, J. (2024). World Sipuncula Database.
Phascolion Théel, 1875. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: https://www.marbef.org/data./aphia.php?p=taxdetails&id=136025 on 2024-09-20
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species.
Phascolion Théel, 1875. Accessed at: http://marbef.org/data/aphia.php?p=taxdetails&id=136025 on 2024-09-20