Genus:
Species: Cell body 140-200 (340) μm long, 25-40 (42) μm wide
(Süßwasserflora von Mitteleuropa 2/1, Bacillariophyceae 1, 1997).
Pinnularia maior (Kützing) Rabenhorst ?,
cell body 212 μm long, 30 μm wide, L/W=7.1,
x 400, x 640, Obihiro-Hasshonochi (the birthplace of Obihiro) park, Obihiro city, Hokkaido, Japan, October 13, 2005 by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Genus:
31 μm
