Guiry, M.D. & Guiry, G.M. (2024). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Protoceratium R.S.Bergh, 1881. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=109567 on 2025-01-03
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Protoceratium R.S.Bergh, 1881. Accessed at: https://marbef.org/data/aphia.php?p=taxdetails&id=109567 on 2025-01-03
basis of recordParker, S.P. (Ed.) (1982). Synopsis and classification of living organisms. McGraw Hill Book Company: New York, NY (USA). ISBN 0-07-079031-0. 1166, 1232 pp. (look up in RoR) [details]
additional sourceGómez, F. (2005). A list of free-living dinoflagellate species in the world's oceans. <em>Acta Bot. Croat.</em> 64(1): 129-212.[details]
Present Inaccurate Introduced: alien Containing type locality