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Bacillariophyceae: Pennales: Raphidineae

 Nitzschia sigmoidea
(Nitzsch) W. Smith 1853

Nitzschia sigmoidea Genus:
Species:

Nitzschia sigmoidea, cell body 306 μm long, 14 μm wide, x 200, x 400, x 640, Shinobazu-ike (pond), Ueno, Taito-ku, Tokyo, Japan, March 2001 by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200
Nitzschia
scale 50 μm scale 100 μm scale 150 μm; x 400
Nitzschia Nitzschia
scale 31 μm scale 63 μm scale 94 μm; x 640
Nitzschia Nitzschia

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