Family: Unicells or cells loosely attached to form hyphae; cell body varied in shape, a constriction at the center in most species; cell walls consisting of two or more parts, with small pores and various ornaments (Illustrations of The Japanese Fresh-water Algae, 1977).
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)
S. punctulatum
2 clips
Hiroshima Univ.
Hiroshima, 1998
S. alternans
1 clip
x 29 μm
Japan, 1998
S. pseudosebaldi
1 clip
Hiroshima Univ.
Hiroshima, 1998
S. bifidum
2 clips
x 31 μm
Hiroshima Univ.
Hiroshima, 1998
S. senarium
1 clip
33 x 24 μm
Hiroshima Univ.
Hiroshima, 1998
S. senarium
1 clip
μm
Hiroshima Univ.
Hiroshima, 1998
S. sexangulare
2 clips
Hiroshima Univ.
Hiroshima, 1998
S. sexangulare
2 clips
Hiroshima Univ.
Hiroshima, 1998
S. sexangulare
1 clip
Hiroshima Univ.
Hiroshima, 1998
S. tohopekaligense
2 clips
Hiroshima Univ.
Hiroshima, 1998