Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species.
Difflugia hydrostatica var. litophila Penard, 1902. Accessed at: http://www.marbef.org/data./aphia.php?p=taxdetails&id=136963 on 2024-05-09