Bacillariophyceae:
Pennales: Raphidineae: Naviculaceae
Pinnularia sp.
Ehrenberg 1843
Genus:
Species:
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Pinnularia sp.,
cell body 110 μm long, 20 μm wide, L/W=5.5,
x 640, near Kamonoyachi-numa (pond), Zao onsen (hot spring), Yamagata city, Yamagata Pref., Japan, July 9, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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