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 177 μm long, 27 μm wide, L/W=6.6,
x 640, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, September 10, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Genus:
31 μm
