Genus: Cell body short, radiate in shape; apical view of the cell, triangular, polygonal, ellipsoidal or spindle-shaped; zygospores formed outside of mother cells (Illustrations of The Japanese Fresh-water Algae, 1977)
Subgenus: with arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Species [var. ornatum]: Cell body 43-58 μm long (excluding arms), 47-94 μm long (including arms), 19-24 μm wide (excluding arms), 90-103 μm wide (including arms), isthmus 11-13 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977)
Google Image Search
S. dorsidentiferum
50 x 93 μm
Sai-ko
Nishi-Urawa
Saitama, 2001
S. dorsidentiferum
μm
Sai-ko
Minami-ku
Saitama, 2007
S. dorsidentiferum
μm
Konpira bridge
Shirakawa
Fukushima, 2003
S. dorsidentiferum
49 x 75 μm
Naga-ike
Sue-machi
Fukuoka, 2001
S. dorsidentiferum
μm
Lake Biwa
Maibara
Shiga, 2008
