Genus: Colonies of 4 (or 2, 8, 16) cells attached side by side, arranged linearly or zigzag; cell body elliptical or spindle or crescent in shape; terminal cells with spiny projections in many species; cell wall usually smooth, but in some species granulated or dented or ridged (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
S. producto-capitatus cell μm Higusa-numa Hikari Chiba, 2003 |
S. producto-capitatus or S. pseudobernardii ? cell μm Nishi-Urawa Saitama, 2001 |
S. producto-capitatus or S. pseudobernardii ? cell μm Higashi-Urawa Saitama, 2001 |
S. producto-capitatus cell 17 x 4 μm drainage ditch Nishi-no-miya Hyogo, 2004 |
