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Xanthophyceae: Mischococcales: Pseudostaurastrumceae

 Pseudostaurastrum lobulatum
(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 lobulatum (Nägeli) Chodat (Pleurochloridaceae, Mischococcales, Xanthophyceae), cell body 47 μm long, x 640, Shikinawa-ike (pond, near Kayoicho Park), Kasuya town, Fukuoka Pref., Japan, October 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pseudostaurastrum lobulatum Pseudostaurastrum lobulatum Pseudostaurastrum lobulatum Pseudostaurastrum lobulatum

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