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Chlorophyceae: Chlorococcales: Oocystaceae

 Selenastrum bibraianum
Reinsch

Selenastrum bibraianum Genus: Colonies of 4, 8 or 16 cells; planktonic; body crescent in shape; tapered at both ends; cells attached to each other at dorsal surface; a chloroplast curved plate-like, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: Cell body gradually tapered forming sharply pointed ends, 16-38 μm long, 5-8 μm wide, distances between apices 5-25 μm (Photocmicrographs of the Freshwater Algae, vol. 2, 1984).
Similar Genus ->> Kirchneriella; Ankistrodesmus;

Group II: curvature small
Selenastrum (bibraianum ?), cell body 33 μm long, 4.7 μm wide, x 400, x 640, Japan, 1998 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Selenastrum Selenastrum Selenastrum

Selenastrum bibraianus Reinsh: Cell body 5-15 μm between two termini, 6-8 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).

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