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Xanthophyceae: Mischococcales: Pseudostaurastrumceae

 Pseudostaurastrum sp.
(Nägeli) Chodat

Pseudostaurastrum Genus: Unicellular; planktonic; cell body guadrangular, each corner drawn out and branched two times forming 2-3 short, thick projections; many chloroplasts disc-shaped, without pyrenoids (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:
Similar genus -->> Staurastrum; Tetraedron;

Pseudostaurastrum sp. ? (Xanthophyceae), cell body μm long, 33 μm wide, x 640, Heise-no-mori Park, Kawajima (Kawashima) town, Saitama city, Saitama Pref., Japan, April 2002 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pseudostaurastrum Pseudostaurastrum Pseudostaurastrum Pseudostaurastrum

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