Genus:
Species: Cell body 60-220 μm long, 18-32 μm wide
(Süßwasserflora von Mitteleuropa 2, Bacillariophyceae 1, 1997).
Cymbella lanceolata (Ehrenberg) Kirchner (or C. aspera or C. helckei ?),
cell body 166 μm long, 40 μm wide,
x 400, Japan, 1998 by Y. Tsukii
50 μm
100 μm
150 μm; x 400