Subgenus: With arm-like projections
(Illustrations of The Japanese Fresh-water Algae, 1977)
Species: Cell body 25-36 μm long, 25-36 μm wide (including spines),
isthmus 8.4-9.7 μm wide; constriction medium, bay-opening large;
(Illustrations of The Japanese Fresh-water Algae, 1977)
Similar species -- >>Tetraedron limneticum;
Staurastrum brachiatum Ralfs,
cell body 30-32 μm long, 30-32 μm wide, L/W=1.0, isthmus 8.5 μm wide,
x 640, Kamino-tanbo (bog/marsh), Tsugaike highland (near Tsugaike Natural Park), Otari village, Nagano Pref., Japan, August 11, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Kamino-tanbo (bog/marsh), Tsugaike highland (near Tsugaike Natural Park), Otari village, Nagano Pref., Japan, August 11, 2006 by Y. Tsukii