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Dinophyceae: Peridiniales: Ceratiaceae
Dinoflagellida: Diniferina: Peridiniidae

Ceratium hirundinella
(O.F. Müller) Schrank 1882 (Mizuno & Takahashi eds. 2000)
(O.F. Müller) Dujardin 1841 (John et al. eds. 2002)

Ceratium Genus: Body flattened; with one anterior and 1-4 posterior horn-like processes; chloroplasts yellow, brown, or greenish; numerous species (Kudo, 1960).

Species:


Ceratium hirundinella (O.F. Müller) Schrank 1882, cell body μm long, μm wide, x 640, Daidarabotchi-ike (or Daizahoshi-ike), Iizuna-kogen (Iizuna Highland), Nagano city, Nagano Pref., Japan, September 2003, by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Ceratium hirundinella Ceratium hirundinella Ceratium hirundinella Ceratium hirundinella
Ceratium hirundinella Ceratium hirundinella Ceratium hirundinella Ceratium hirundinella

Ceratium hirundinella (O. F. Müller) Schrank: 95-100 μm; epicone is one long horn; hypocone as two or three horns; many varieties (How to know the protozoa, 1979). 200 μm long, 60 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).


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