Species: Cell body elongated; (265-470)-648 μm long,
13-(15-22)-23 μm wide;
L/W= 20-40; secondary constriction conspicous;
3-4 chloroplasts band-form
(Illustrations of The Japanese Fresh-water Algae, 1977).
|
50 μm
100 μm
150 μm; x 400
31 μm
63 μm
94 μm; x 640
