Genus:
Species: Cell body 50-140 μm long, 7-13 μm wide
(Süßwasserflora von Mitteleuropa 2/1, Bacillariophyceae 1, 1997).
Pinnularia gibba Ehrenberg,
cell body 240 μm long, 23 μm wide,
x 640, wetland near Ichinose-enchi (along super forest road), Norikura highland, Azumi village, Nagano Pref., Japan, May 28, 2005 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640