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Gamophyceae: Zygnematales: Desmidiaceae

Cosmarium heterodentatum
Hinode

Species: Cell body large in size, 100-112 μm long, 65-72 μm wide, isthmus 22-26 μm wide, L/W=1.6; semicells broad oviform, rounded at base; cellwall covered with conical granules, gradually becoming smaller toward the center of the semicells; small dots present between granules (Illustrations of The Japanese Fresh-water Algae, 1977).
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Cosmarium heterodentatum
C. heterodentatum
111 x 73 μm
Kashibaru m.2-1
Karatsu
Saga, 2008
Cosmarium heterodentatum
C. heterodentatum
114 x 72 μm
Kashibaru m.2-2
Karatsu
Saga, 2008
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Cosmarium heterodentatum
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