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 (similar to P. viridis (Nitzsch) Ehrenberg),
cell body 152 μm long, 25 μm wide,
x 640, Koigakubo marsh, Tessei-cho, Okayama Pref., Japan, November 22, 2004 by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Genus:
31 μm
