de Voogd, N.J.; Alvarez, B.; Boury-Esnault, N.; Carballo, J.L.; Cárdenas, P.; Díaz, M.-C.; Dohrmann, M.; Downey, R.; Hajdu, E.; Hooper, J.N.A.; Kelly, M.; Klautau, M.; Manconi, R.; Morrow, C.C. Pisera, A.B.; Ríos, P.; Rützler, K.; Schönberg, C.; Vacelet, J.; van Soest, R.W.M. (2022). World Porifera Database.
Forcepia (Forcepia) topsentii Lundbeck, 1905. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2022) European Register of Marine Species at: https://www.marbef.org/data./aphia.php?p=taxdetails&id=168878 on 2023-03-30
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2023). European Register of Marine Species.
Forcepia (Forcepia) topsentii Lundbeck, 1905. Accessed at: https://marbef.org/data../aphia.php?p=taxdetails&id=168878 on 2023-03-30