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Xanthophyceae: Mischococcales: Ophiocytiaceae

 Ophiocytium bicuspidatum
(Borge) Lemmermann

Ophiocytium bicuspidatum Genus: Unicellular; planktonic; cell body elongated cylindroid, curved or twisted; both ends rounded, with spiny projections; cell wall not separated into two parts (compare to Centritractus); several chloroplasts plate-like, without pyrenoids (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:

Ophiocytium bicuspidatum (or O. capitatum ?), cell body μm long, μm wide, L/W=, x 640 (?), No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Ophiocytium bicuspidatum Ophiocytium bicuspidatum Ophiocytium bicuspidatum Ophiocytium bicuspidatum
Cell body 220 μm long, 9 μm wide, L/W=, x 640
Ophiocytium bicuspidatum

Images of collecting locality: No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 22, 2006 by Y. Tsukii

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