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Chlorophyceae: Chlorococcales: Micractiniaceae

Acanthosphaera sp.

Acanthosphaera Genus: Unicells, planktonic; cell body spherical, surrounded by many elongated spiny projections, 1/3 from their base thickened, remainings hairly; a single chloroplast cup-shaped, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).

Acanthosphaera sp. ??, cell body spherical 8.5 μm in diam., thick and long spines 20 μm long, x 400, x 640, Green-Park, Nishi-Urawa, Saitama Pref., Japan, June 2001 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
Acanthosphaera Acanthosphaera Acanthosphaera

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