125,528 species and infraspecific names are in the database, 8,150 images, 44,360 bibliographic items, 162,479 distributional records.

Ceratium horridum (Cleve) Gran

Classification:
Empire Eukaryota
Kingdom Protozoa
Subkingdom Biciliata
Infrakingdom Alveolata
Phylum Myzozoa
Class Dinophyceae
Subclass Peridiniphycidae
Order Gonyaulacales
Family Ceratiaceae
Genus Ceratium

Pictures:

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A highly variable species. This view is dorsal. The right apical horn (seen on the right in this picture) comes out at right angles to the base, whilst the left apical horn starts to come down (as in C. macroceros).. © Georgina Mc Dermott.


Ireland. Robin Raine. © Robin Raine.

 

Publication details
Ceratium horridum (Cleve) Gran 1902: 54, 193

Original publication: Gran, H.H. (1902). Das plankton des Norwegischen Nordmeeres von biologischen und hydrographischen Gesichtpunkten behandelt. Rep. Norweg. Fish. Invest. 2(pt. 2, No. 5): .

Type species
The type species (holotype) of the genus Ceratium is Ceratium pleuroceras Schrank.

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

Basionym
Ceratium tripos var. horridum Cleve

Homotypic Synonym(s)
Ceratium tripos var. horridum Cleve 1897

Heterotypic Synonym(s)
Ceratium intermedium (Jorgensen) Jorgensen 1905
Ceratium batavum Paulsen 1908
Ceratium tenue (Ostenfeld & Schmidt) Jorgensen 1911

Detailed distribution with sources
(as Ceratium horridum (Cleve) Gran)
Europe: Britain (Parke & Dixon 1976), Croatia (Vilicic et al. 2009), Germany (Toepel et al 2005), Ireland (McDermott & Raine 2006).

Atlantic Islands: Canary Islands (Gil-Rodríguez et al. 2003).

(as Ceratium tenue (Ostenfeld & Schmidt) Jorgensen)
Atlantic Islands: Canary Islands (Gil-Rodríguez et al. 2003).

Taxonomic notes
According to Dodge (1982: 223) this species is of the sub-genus Orthoceratium

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

Key references
Dodge, J.D. (1982). Marine Dinoflagellates of the British Isles. pp. 303. London: Her Majesty's Stationery Office.

Gómez, F., Moreira, D. & López-Garcia, P. (2010). Neoceratium gen. nov., a new genus for all marine species currently assigned to Ceratium (Dinophyceae). Protist 161: 35-54.

McDermott, G. & Raine, R. (2006). The dinoflagellate genus Ceratium in Irish shelf seas. pp. [viii] + 1-86, 31 figs. Galway: Martin Ryan Institute.

McMinn, A. & Scott, F.J. (2005). Dinoflagellates. In: Antarctic marine protists. (Scott, F.J. & Marchant, H.J. Eds), pp. 202-250. Canberra & Hobart: Australian Biological Resources Study; Australian Antarctic Division.

Parke, M. & Dixon, P.S. (1976). Check-list of British marine algae - third revision. Journal of the Marine Biological Association of the United Kingdom 56: 527-594.

Toepel, J., Langner, U. & Wilhelm, C. (2005). Combination of flow cytometry and single cell absorption spectroscopy to study the phytoplankton structure and to calculate the chi a specific absorption coefficients at the taxon level. Journal of Phycology 2005: 1099-1109.

NCBI Nucleotide Sequences

Created: 07 May 2002 by M.D. Guiry

Verified by: 06 July 2009 by Fernando Gomez

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