163,902 species and infraspecific names are in the database, 22,783 images, 63,102 bibliographic items, 484,277 distributional records.

Ostreopsis siamensis Johs. Schmidt 1901

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

 

Publication details
Ostreopsis siamensis Johs. Schmidt 1901: 219, figs 5-7

Published in: Schmidt, J. (1901). Flora of Koh Chang. Contributions to the knowledge of the vegetation in the Gulf of Siam. Peridiniales. Botanisk Tidsskrift 24: 212-221.
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Type species
This is the type species (holotype) of the genus Ostreopsis.

Status of name
This name is of an entity that is currently accepted taxonomically.

Type information
Type locality: Gulf of Thailand, Thailand (Faust & Gulledge 2002: 52). Lectotype: J. Schmidt. 1901; 218, fig. 5: Epitype: VNM-PQ218 ( formaldehyde-preserved material of strain VNPQ218) in Herb. Inst. Trop. Biol., Vietnam ; PHU Quoc Islands (10.379 N, 103.837E) (epitype) (Nguyen-Ngoc et al. 2021: 1062, fig. 2A). Notes: Gulf of Siam: Koh Chang Archip. (INA). Additional preserved materials of strain VNPQ218: E.56950 in ICOM and C-A-99691 in Nat. Hist. Mus., Denmark.

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

Distributional notes
The records for Italy and Spain cited by Penna et al. (2005: 214) refer to O. cf siamensis. - (21 Aug 2006) - Wendy Guiry

Usage notes
Faust & Gulledge (2002: 52) notes this is a toxin producing species, it produces an analog of palytoxin. Harmful species (Lassus et al. 2017).

General environment
This is a marine species.

Description
Emended description (Nguyen-Ngoc et al., 2021: 1064).

Detailed distribution with sources
(as Ostreopsis siamensis Johs. Schmidt)
Europe: Greece (Aligizaki & Nikolaidis 2006), Italy (Penna & al. 2005), Mediterranean (Gómez 2003), Spain (Penna & al. 2005, Laza-Martinez et al. 2011 ).

North America: Florida (Faust & Gulledge 2002), Mexico (Atlantic) (Almazán-Becerril et al. 2015), Mexico (Pacific) (Okolodkov & Gárate Lizárraga 2006).

South-west Asia: Lebanon (Abboud-Abi Saab et al. 2013 ).

South-east Asia: Thailand (Schmidt 1901 , Nguyen-Ngoc et al. 2021 ), Vietnam (Nguyen-Ngoc et al. 2021 ).

Asia: China (Liu 2008), Japan (Nguyen-Ngoc et al. 2021 ), Korea (Nguyen-Ngoc et al. 2021), Russia (Selina & Orlova 2010 ).

Australia and New Zealand: Australia (McCarthy 2013), New Zealand (Chang & al. 2012, Rhodes & Smith 2018, Rhodes & al. 2019 ).

Pacific Islands/Pacific Ocean: Tahiti (Nguyen-Ngoc et al. 2021).

World: World (Gómez 2005, Gómez 2012).

Source of current name
Nguyen-Ngoc, L., Doan-Nhu, H., Larsen, J., Phan-Tan, L., Nguyen, X.V., Lundhlom, N., Chu, T.V. & Huynh-Thi, D.N. (2021). Morphological and genetic analyses of Ostreopsis (Dinophyceae, Gonyaulacales, Ostreopsidaceae) species from Vietnamese waters with a re-description of the type species, O. siamensis . Journal of Phycology 57(3): 1059-1083.

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

Faust, M.A., Morton, S.L. & Quod, J.P. (1996). Further SEM study of marine dinoflagellates: the genus Ostreopsis (Dinophyceae). Journal of Phycology 32: 1053-1065, 45 figs, 1 table.

Hallegraeff, G.M., Anderson, D.M. & Cembella, A.D., Eds (2003). Manual on harmful marine microalgae. Paris: UNESCO.

Hoppenrath, M., Murray, S.A., Chomérat, N. & Horiguchi, T. (2014). Marine benthic dinoflagellates - unravelling their worldwide biodiversity. Kleine Senckenberg-Reihe Vol. 54. pp. [1]-276. Frankfurt am Main & Stuttgar: V. Mosbrugger & E. Schweizerbartsche Verlagsbuchhandlung.

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.

Laza-Martinez, A., Orive, E. & Miguel, I. (2011). Morphological and genetic characterization of benthic dinoflagellates of the genera Coolia, Ostreopsis and Prorocentrum from the south-eastern Bay of Biscay. European Journal of Phycology 46(1): 45-65.

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.

Penna, A., Fraga, S., Nattocchi, C., Casabianca, S., Perini, F., Capellacci, S., Casabianca, A., Riobo, P., Giacobbe, M.G., Totti, C., Accoroni, S., Vila, M., René, A., Scardi, M., Aligizaki, K., Nguyen-Ngoc, L. & Vernesi, C. (2012). Genetic diversity of the genus Ostreopsis Schmidt: phylogeographical considerations and molecular methodology applications for field detection in the Mediterranean Sea. Cryptogamie Algologie 33(2): 153-163.

Penna, A., Vila, M., Fraga, S., Giacobbe, M.G., Andreoni, F., Riobo, P. & Vernesi, C. (2005). Characterization of Ostreopsis and Coolia (Dinophyceae) isolates in the western Mediterranean Sea based on morphology, toxicity and internal transcribed spacer 5.8S rDNA sequences. Journal of Phycology 41: 212-225.

Schiller, J. (1937). Dinoflagellatae (Peridineae). In: Dr. L. Rabenhosrst's Kryptogamen-Flora von Deutschland, Österreich und der Schweiz, 2. Aufl. X. Band, 3. Abt. 2. Teil. (Rabenhorst, L. Eds), pp. 321-590, i-vii. Leipzig: Akademische Verlagsgesellschaft M.B.H.

Selina, M.S. & Orlova, T.Y. (2010). First occurrence of the genus Ostreopsis (Dinophyceae) in the Sea of Japan. Botanica Marina 53(3): 243-249.

Sournia, A. (1986). Atlas du phytoplancton marin. Volume I: Cyanophycées, Dictyophycées, Dinophycées, Raphidophycées. pp. [1]-219. Paris: Éditions du Centre National de la Recherche Scientifique 15, quai Anatole France - 75700 Paris.

Steidinger, K.A. & Tangen, K. (1996). Dinoflagellates. In: Identifying Marine Phytoplankton. (Tomas, C.R. Eds), pp. 387-584. San Diego: Academic Press.

Created: 17 August 2002 by M.D. Guiry

Verified by: 11 October 2021 by G.M. Guiry

Accesses: This record has been accessed by users 2032 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.)


Abboud-Abi Saab, M., Fakhri, M. & Kassab, M.-T. (2013). Seasonal and spatial variations of the dinoflagellate Ostreopsis siamensis in the Lebanese coastal waters (Eastern Mediterranean). Cryptogamie Algologie 34(1): 57-72.
Ciminiello, P., Dell'Aversano, C., Dello Lacovo, E., Fattorusso, E., Forino, M., Tartaglione, L., Yasumoto, T., Battocchi, C., Giacobbe, M., Amorim, A. & Penna, A. (2013). Investigation of toxin profile of Mediterranean and Atlantic strains of Ostreopsis cf. siamensis (Dinophyceae) by liquid chromatography-high resolution mass spectrometry. Harmful Algae 23: 19-27.
David, H., Laza-Martínez, A., Miguel, I. & Orive, E. (2013). Ostreopsis cf. siamensis and Ostreopsis cf. ovata from the Atlantic Iberian Peninsula; Morphological and phylogenetic characterization. Harmful Algae 30: 44-55.
Nguyen-Ngoc, L., Doan-Nhu, H., Larsen, J., Phan-Tan, L., Nguyen, X.V., Lundhlom, N., Chu, T.V. & Huynh-Thi, D.N. (2021). Morphological and genetic analyses of Ostreopsis (Dinophyceae, Gonyaulacales, Ostreopsidaceae) species from Vietnamese waters with a re-description of the type species, O. siamensis . Journal of Phycology 57(3): 1059-1083.

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Citing AlgaeBase
Cite this record as:
G.M. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 24 October 2021.

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