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Phalacroma rotundatum (Claparéde & Lachmann) Kofoid & Michener, 1911 
AphiaID: 156505

Classification: Biota > Chromista (Kingdom) > Harosa (Subkingdom) > Alveolata (Infrakingdom) > Myzozoa (Phylum) > Dinozoa (Subphylum) > Dinoflagellata (Infraphylum) > Peridinea (Class) > Dinophysoidia (Subclass) > Dinophysida (Order) > Dinophysiaceae (Family) > Phalacroma (Genus)
Status accepted
Record
status
 Checked by Taxonomic Editor
Rank Species
Parent Phalacroma Stein, 1883
Synonymised
taxa
  Dinophysis rotundata Claparède & Lachmann, 1859 (synonym)
Dinophysis whittingiae Balech, 1971 (synonym)
Prodinophysis rotundata (Claparède & Lachmann) Balech (synonym)
Prodinophysis rotundatum (Claparéde & Lachmann) Balech, 1944 (synonym)
Sources  basis of record: Horner, R.A. 2002. A taxonomic guide to some common marine phytoplankton. Biopress Ltd. Bristol. 195 p.  [details]

basis of record: Martin, J.L., M.M. LeGresley and P.M. Strain. 2001. Phytoplankton monitoring in the Western Isles region of the Bay of Fundy during 1997-98. Canadian Technical Report of Fisheries and Aquatic Sciences 2349. iv + 85 p. [details]

basis of record: Steidinger, K.A. and K. Tangen. 1977. Identifying marine phytoplankton. Academic Press. San Diego. p. 387-584. [details]

basis of record: ITIS database, available online at http://www.itis.gov [details]

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. (look up in IMIS[details]

additional source: Algaebase, available online at http://www.algaebase.org [details]

additional source: FJ Scott and HJ Marchant (eds), 2005). Antarctic Marine Protists. Australian Biological Resources Study, 563 pp [details]

additional source: Steidinger, K. A., M. A. Faust, and D. U. Hernández-Becerril. 2009. Dinoflagellates (Dinoflagellata) of the Gulf of Mexico, Pp. 131–154 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College [details]

additional source: Moestrup, Ø., Akselman, R., Cronberg, G., Elbraechter, M., Fraga, S., Halim, Y., Hansen, G., Hoppenrath, M., Larsen, J., Lundholm, N., Nguyen, L. N., Zingone, A. (Eds) (2009 onwards). IOC-UNESCO Taxonomic Reference List of Harmful Micro Algae., available online at http://www.marinespecies.org/HAB [details]

from synonym: 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 (look up in IMIS[details] [view taxon]

from synonym: Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. Commission Régionale de Biologie Région Nord Pas-de-Calais: France. 307 pp. (look up in IMIS[details] [view taxon]

from synonym: Claparède E. & Lachmann J. 1859. Etudes sur les Infusoires et les Rhizopodes. Mém. Inst. Genev. 5, 6: 489 pp. [details] [view taxon]

from synonym: Cembella A. 1989. Occurrence of okadaic acid, a major diarrheic shellfish toxin, in natural populations of Dinophysis spp. from the eastern coast of North America. J. Appl. Phycol. 1: 307-310. [details] [view taxon]

from synonym: Lee J.S., lgarashi T., Fraga S., Dahl E., Hovgaard P. & Yasumoto T. 1989. Determination of diarrhetic shellfish toxins in various dinoflagellate species. J. Appl. Phycol. 1: 147-152. [details] [view taxon]

from synonym: Lakkis, S. (2011). Le phytoplancton marin du Liban (Méditerranée orientale): biologie, biodiversité, biogéographie. Aracne: Roma. ISBN 978-88-548-4243-4. 293 pp. (look up in IMIS[details] [view taxon]

from synonym: Dyntaxa (2013) Swedish Taxonomic Database. Accessed at www.dyntaxa.se [15-01-2013]., available online at http://www.dyntaxa.se [details] [view taxon]

context source (Deepsea): Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]

Direct child
taxa

[show all]
 Variety Phalacroma rotundatum var. laevis (Claparède & Lachmann) Jørgesen
Environment marine
Distribution type locality: North Sea (from synonym) [details] [view taxon]
European waters (ERMS scope) (from synonym) [details] [view taxon]
Gulf of Maine [details]
Gulf of Mexico (from synonym) [details] [view taxon]
Irish Exclusive economic Zone (from synonym) [details] [view taxon]
Lebanese Exclusive Economic Zone (from synonym) [details] [view taxon]
North West Atlantic [details]
Swedish Exclusive Economic Zone (from synonym) [details] [view taxon]
Wimereux (from synonym) [details] [view taxon]
Links PlanktonNet Image
Published in AlgaeBase Logo AlgaeBase
To Biodiversity Heritage Library (4 publications)
To GenBank (11 nucleotides; 2 proteins)
To PESI
To ITIS
Notes  Diet: general for group: both heterotrophic (eat other organisms) and autotrophic (photosynthetic) [details]

Distribution: cosmopolitan; warm and cold waters. [details]

Habitat: pelagic [details]

Harmful effect: HPLC-FD analysis of one sample of picked cells of Japanese strains of D. rotundata found it containing DTX1 (101 pg/cell)(Lee et al. 1989).
No toxins detected in HPLC-FD analyses of dense blooms of P. rotundatum (as Dinophysis rotundata) from eastern Canada (Cembella 1989) and Italy (Caroppo et al. 1999).
No toxins in picked cells analyzed by LC-MS in Japan (Suzuki et al. 2009).
When P. rotundatum was found co-occurring with toxic species of Dinophysis (D. acuminata, D. acuta, D. norvegica, D. caudata), LC-MS analyses of picked cells showed either small amounts of the same toxins (OA, DTXs, PTXs) present in the co-occurring Dinophysis species or no toxins at all (Miles et al. 2004; González-Gil et al. 2011).
Miles et al. (2004) found the same toxins in 3 heterotrophic species of Protoperidinium co-occurring with the same multispecific bloom (D. acuminata, D. acuta, D. norvegica and P. rotundatum).
There is growing suspicion that P. rotundatum is not a toxin-producer de novo, but may contain DSP toxins and act as a vector after feeding on tintinnids who preyed on toxic Dinophysis (reviewed in González-Gil et al. 2011).

 [details]

Importance: General: known for producing dangerous toxins, particularly when in large numbers, called "red tides" because the cells are so abundant they make water change color. Also they can produce non-fatal or fatal amounts of toxins in predators (particularly shellfish) that may be eaten by humans. [details]

Predators: marine microorganisms and animal larvae [details]

Reproduction: general for group: both sexual and asexual [details]
Images 
Meunier (1919, pl. 20)
Meunier (1919, pl. 20)
added on 2008-07-18 - author: A. Meunier
scan provided by VLIZ - Wetenschatten
qualitystatus: not checked

Dinophysis rotundata
[image from synonym]
Dinophysis rotundata
added on 2011-03-09 - author: Fisheries and Oceans Canada, Dalhousie University, Rajashree Gouda ()
qualitystatus: not checked

Dinophysis rotundata
[image from synonym]
Dinophysis rotundata
added on 2011-03-29 - author: National Research Council of Canada, Nancy Lewis ()
qualitystatus: not checked

PlanktonNet Image  
PlanktonNet Image
LSID urn:lsid:marinespecies.org:taxname:156505
Taxonomic
Edit history
 
Date   action   by
2005-05-19 10:34:44Z  created  Claus, Simon
2007-10-17 15:07:21Z  changed  db_admin
2008-03-27 13:16:17Z  checked  Scott, Fiona
2008-11-20 10:21:18Z  changed  Moestrup, Øjvind
2012-10-23 08:08:43Z  changed  Guiry, Michael D.
2012-12-11 15:19:23Z  changed  Moestrup, Øjvind
  
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  Citation: Moestrup, Ø.; Guiry, Michael D. (2013). Phalacroma rotundatum (Claparéde & Lachmann) Kofoid & Michener, 1911. In: Guiry, M.D. & Guiry, G.M. (2013). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=156505 on 2013-05-18
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