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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum oxyrhynchum
Roy et Bisset subsp. oxyrhynchum

Staurastrum forficulatum 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: lacks arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Species:
Similar species -- >> S. sexangulare;

Staurastrum oxyrhynchum Roy et Bisset subsp. oxyrhynchum (Rutidiastrum), cell body μm long, μm wide, x 640, Shimaru-no-ike, Kejo-numa, Furukawa city, Miyagi Pref., Japan, November 2003 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum oxyrhynchum Staurastrum oxyrhynchum Staurastrum oxyrhynchum Staurastrum oxyrhynchum Staurastrum oxyrhynchum
Staurastrum oxyrhynchum Staurastrum oxyrhynchum Staurastrum oxyrhynchum Staurastrum oxyrhynchum Staurastrum oxyrhynchum
Staurastrum oxyrhynchum Staurastrum oxyrhynchum Staurastrum oxyrhynchum Staurastrum oxyrhynchum
Staurastrum oxyrhynchum Staurastrum oxyrhynchum
Staurastrum Staurastrum

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