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 pseudogonyaulax (Biecheler) Horiguchi ex K.Yuki & Y.Fukuyo, 1992

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

*Goniodoma pseudogonyaulax*	Biecheler, 1952	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.
basis of record	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.
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	Streftaris, N., A. Zenetos & E. Papathanassiou. (2005). Globalisation in marine ecosystems: the story of non-indigenous marine species across European seas. Oceanogry and Marine Biology: an Annual Review. 43: 419-453.
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	Penna, A., Fraga, S., Maso, M., Giacobbe, M. G., Bravo, I., Garces, E., Vila, M., Bertozzini, E., Andreoni, F., Luglie, A. & Vernesi, C. 2008. Phylogenetic relationships among the Mediterranean Alexandrium (Dinophyceae) species based on sequences of 5.8S gene and Internal Transcript Spacers of the rRNA operon. European Journal of Phycology 43:163-78.
toxicology source	Zmerli-Triki, H.; Laabir, M.; Moeller, P.; Chomérat, N.; Kéfi Daly-Yahia, O. (2016). First report of goniodomin A production by the dinoflagellate Alexandrium pseudogonyaulax developing in southern Mediterranean (Bizerte Lagoon, Tunisia). Toxicon. 111: 91-99.
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.
ecology source	Mitra, A.; Caron, D. A.; Faure, E.; Flynn, K. J.; Leles, S. G.; Hansen, P. J.; McManus, G. B.; Not, F.; Do Rosario Gomes, H.; Santoferrara, L. F.; Stoecker, D. K.; Tillmann, U. (2023). The Mixoplankton Database (MDB): Diversity of photo‐phago‐trophic plankton in form, function, and distribution across the global ocean. Journal of Eukaryotic Microbiology. 70(4).
ecology source	Blossom, H. E.; Bædkel, T. D.; Tillmann, U.; Hansen, P. J. (2017). A search for mixotrophy and mucus trap production in Alexandrium spp. and the dynamics of mucus trap formation in Alexandrium pseudogonyaulax. Harmful Algae. 64: 51-62.

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 pseudogonyaulax (Biecheler) Horiguchi ex K.Yuki & Y.Fukuyo, 1992. 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:109713