Bacillariophyceae:
Pennales: Raphidineae: Naviculaceae
Caloneis tenuis
(Gregory) Krammer
Genus:
Species:
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Caloneis tenuis (Gregory) Krammer (or Pinnularia appendiculata (Agardh) Cleve ?),
cell body 67 μm long, 11 μm wide, L/W=6.1,
x 640, water reservoir, Kumakubo, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, August 21, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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