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Chlorophyceae: Chlorococcales: Scenedesmaceae

Tetrastrum sp.

Tetrastrum Genus: Planktonic; colony of 4 cells; cell body spherical, covered with elongated spiny projections; cells attached with each other arranging cruciform on a plane, with a small space at the center of the colony; a single chloroplast plate-like, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).

Tetrastrum sp.?, cell body spherical, μm in diam., x 400, Japan, 199? by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Tetrastrum Tetrastrum

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