Genus:
Cell body flat, large, variable in shape, longer than wide; strong constriction at center;
each semicell with several notches; cell wall with many short spines
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Micrasterias denticulata Brébisson ex Ralfs var. denticulata,
cell body 273 μm long, 210 μm wide, isthmus 35 μm wide,
x 200, x 400, x 640, Kodanuki marsh, Fujinomiya city, Shizuoka Pref., Japan, April 29, 2006 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Kodanuki marsh, Fujinomiya city, Shizuoka Pref., Japan, April 29, 2006 by Y. Tsukii