Higher Classification: > Kingdom Chromista > Subkingdom Harosa > Infrakingdom Alveolata > Phylum Myzozoa > Subphylum Dinozoa > Infraphylum Dinoflagellata > Class Dinophyceae > Subclass Peridiniphycidae > Order Gonyaulacales > Family Pyrocystaceae > Subfamily Ostreopsidoideae > Genus Alexandrium

Alexandrium affine (H.Inoue & Y.Fukuyo) Balech, 1995

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Alexandrium*	Halim, 1960	accepted genus name
*Gessnerium*	Halim ex Halim, 1967	synonym
*Protogonyaulax*	F.J.R.Taylor, 1979	synonym

Species group names

*Protogonyaulax affinis*	H.Inoue & Y.Fukuyo, 1985	synonym

Literature

basis of record	Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. searched on YYYY-MM-DD.
additional source	Balech, E. 1995. The Genus Alexandrium Halim (Dinoflagellata). Sherkin Island Marine Station, Sherkin Island, Co. Cork, Ireland, 151.
additional source	Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. searched on YYYY-MM-DD.
additional source	Chang, F.H.; Charleston, W.A.G.; McKenna, P.B.; Clowes, C.D.; Wilson, G.J.; Broady, P.A. (2012). Phylum Myzozoa: dinoflagellates, perkinsids, ellobiopsids, sporozoans, in: Gordon, D.P. (Ed.) (2012). New Zealand inventory of biodiversity: 3. Kingdoms Bacteria, Protozoa, Chromista, Plantae, Fungi. pp. 175-216.
additional source	Brandt, S. (2001). Dinoflagellates, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 47-53
additional source	Tomas, C.R. (Ed.). (1997). Identifying marine phytoplankton. Academic Press: San Diego, CA [etc.] (USA). ISBN 0-12-693018-X. XV, 858 pp.
toxicology source	Nguyen-Ngoc, L. (2004). An autecological study of the potentially toxic dinoflagellate Alexandrium affine isolated from Vietnamese waters. Harmful Algae. 3: 117-129.
ecology source	Leles, S. G.; Mitra, A.; Flynn, K. J.; Tillmann, U.; Stoecker, D.; Jeong, H. J.; Burkholder, J.; Hansen, P. J.; Caron, D. A.; Glibert, P. M.; Hallegraeff, G.; Raven, J. A.; Sanders, R. W.; Zubkov, M. (2019). Sampling bias misrepresents the biogeographical significance of constitutive mixotrophs across global oceans. Global Ecology and Biogeography. 28(4): 418-428.

Genbank

Taxonomy

Published in AlgaeBase

Citation

Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Alexandrium affine (H.Inoue & Y.Fukuyo) Balech, 1995. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:109707