Genus:
Species: Cell body 50-140 μm long, 7-13 μm wide
(Süßwasserflora von Mitteleuropa 2/1, Bacillariophyceae 1, 1997).
Pinnularia gibba f. subundulata ?,
cell body 230 μm long, μm wide,
x 400, x 640, a small pond at Kusatsu Onsen bus terminal, Kusatsu town, Gunma Pref., Japan, June 5, 2005 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Cell body 227 μm long, 26 μm wide, x 400, x 640
Cell body 227 μm long, 25 μm wide, x 400, x 640
Cell body 230 μm long, 27 μm wide, x 400, x 640