157,571 species and infraspecific names are in the database, 22,210 images, 60,987 bibliographic items, 459,373 distributional records.

Alexandrium excavatum (Braarud) Balech & Tangen

Classification:
Empire Eukaryota
Kingdom Chromista
Subkingdom Harosa (supergroup SAR)
Infrakingdom Halvaria
Phylum Miozoa
Subphylum Myzozoa
Infraphylum Dinozoa
Superclass Dinoflagellata
Class Dinophyceae
Order Gonyaulacales
Family Pyrophacaceae
Genus Alexandrium

 

Publication details
Alexandrium excavatum (Braarud) Balech & Tangen 1985: 334, figs 1, 2, 5

Published in: Balech, E. & Tangen, K. (1985). Morphology and taxonomy of toxic species in the Tamarensis group (Dinophyceae): Alexandrium excavatum (Braarud) comb. nov. and Alexandrium ostenfeldii (Paulsen) comb. nov. Sarsia 70(4): 333-343, 5 figs, 1 table.
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Publication date: December 30 1985

Type species
The type species (holotype) of the genus Alexandrium is Alexandrium minutum Halim.

Status of name
This name is currently regarded as a synonym of Alexandrium tamarense (Lebour) Balech

Basionym
Gonyaulax tamarensis var. excavata Braarud

Synonym(s)
No synonyms are currently included in AlgaeBase.

General environment
This is a freshwater species.

No distributions recorded
No distributional records for this taxon have been recorded by AlgaeBase to date. Generally, recent national lists or extensive regional or state lists have been employed to give a general indication of distribution.

Source of current name
Lassus, P., Chomérat, N., Hess, P. & Nézan, E. (2017 '2016'). Toxic and harmful microalgae of the World Ocean. Micro-algues toxiques et nuisibles de l'Océan Mondial. IOC Manuals and guides, 68 (Bilingual English/French). pp. 1-523, 54 pls. Denmark: International Society for the Study of Harmful Algae/ Intergovernmental Oceanographic Commission of UNESCO.

Key references
Bérard-Therriault, L., Poulin, M. & Bossé, L. (1999). Guide d'identification du phytoplancton marin de l'estuaire et du Golfe du Saint-Laurent incluant également certains protozoaires. Publication Spéciale Canadienne des Sciences Halieutiques et Aquatiques 128: 1-387.

Faust, M.A. & Gulledge, R.A. (2002). Identifying harmful marine dinoflagellates. Contributions from the United States National Herbarium 42: 1-144.

Leaw, C.P., Lim, P.T., Ng, B.K., Cheah, M.Y., Ahmad, A. & Usup, G. (2005). Phylogenetic analysis of Alexandrium species and Pyrodinium bahamense (Dinophyceae) based on theca morphology and nuclear ribosomal gene sequence. Phycologia 44: 550-565.

Created: 18 November 2002 by Andy Taylor

Verified by: 21 February 2020 by M.D. Guiry

Accesses: This record has been accessed by users 1219 times since it was created.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

References
(Please note: only references with the binomials in the title are included. The information is from the Literature database.)

Balech, E. & Tangen, K. (1985). Morphology and taxonomy of toxic species in the Tamarensis group (Dinophyceae): Alexandrium excavatum (Braarud) comb. nov. and Alexandrium ostenfeldii (Paulsen) comb. nov. Sarsia 70(4): 333-343, 5 figs, 1 table.
Carreto, J.I., Carignan, M.O., Daleo, G. & De Marco, S.G. (1990). Occurrence of mycosporine-like amino acids in the red-tide dinoflagellate Alexandrium excavatum: UV-photoprotective compounds?. J. Plankton Res. 12: 909-921.
Destombe, C. & Cembella, A. (1990). Mating-type determination, gametic recognition and reproductive success in Alexandrium excavatum (Gonyaulacales, Dinophyta), a toxic red-tide dinoflagellate.. Phycologia 29: 316-325.
Robineau, B., Gagne, J.A., Fortier, L. & Cembella, A.D. (1991). Potential impact of a toxic dinoflagellate (Alexandrium excavatum) bloom on survival of fish and crustacean larvae. Marine Biology, Berlin 108(2): 293-301.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=56390

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 26 February 2020.

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