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Chlorophyceae: Chlorococcales: Oocystaceae

 Selenastrum sp.


Selenastrum 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:
Similar Genus ->> Kirchneriella; Ankistrodesmus; Selenodictyum;

Selenastrum sp. ??, similar to Dicloster, cell body 24 μm long, 2.5 μm wide, x 640, Kaisei park, Koriyama, Fukushima Pref., Japan, 2001 collected by H. Shiomizu, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
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