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Bacillariophyceae: Pennales: Araphidineae: Diatomaceae

 Asterionella sp.
A.H. Hassall 1850

Genus:
Species:

Asterionella ?, cell body 20 μm long, 2.5 μm wide, x 640, Shinobazu-ike (pond), Ueno, Taito-ku, Tokyo, Japan, March 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Asterionella Asterionella Asterionella Asterionella

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