Bacillariophyceae:
Pennales: Raphidineae: Naviculaceae
Caloneis undulata
(Gregory) Krammer
Genus:
Species:
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Caloneis undulata (Gregory) Krammer (or Pinnularia divergens W. Smith ?),
cell body 72 μm long, 12.5 μm wide, L/W=5.8,
x 640, Tashirodaira marsh, Hakkoda mountain, Aomori city, Aomori Pref., Japan, July 17, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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