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Xanthophyceae: Mischococcales: Ophiocytiaceae
Xanthophyceae: Mischococcales: Sciadiaceae

Ophiocytium
Nägeli 1849

Family [ Sciadiaceae ]: Unicells; planktonic; cell body ellpsoidal or cylindrical in shape; both ends rounded or slightly swelled, with spiny projections in some species; 2 or more chloroplasts plate-like, without pyrenoids; many leucosin granules present (Illustrations of The Japanese Fresh-water Algae, 1977).
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).
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Ophiocytium arbuscula
O. arbuscula
5 samples
10-80 x 4.5 μm
2001-2005
Ophiocytium arbuscula
O. arbuscula
5 samples
10-80 x 4.5 μm
2001-2005
Ophiocytium capitatum
O. capitatum
6 samples
62-210 x 7-10 μm
2001-2008
Ophiocytium
O. bicuspidatum
or O. captatum ?
3 samples
65-80 x 6-8 μm
2005-2006
Ophiocytium gracillimum
O. gracillimum
77 x 7 μm
Suga-daira
Ueda
Nagano, 2006
Ophiocytium parvulum
O. parvulum
12 samples
x 5-9 μm
2002-2006
Ophiocytium maius
O. maius
90 x 5.5 μm
Dojo-ike
Norikura highland
Nagano, 2006
Similar genus -->> Centritractus

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Ophiocytium arbuscula
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