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Chlorophyceae: Chlamydomonadales (Volvocales): Chlamydomonadaceae
Chlamydophyceae: Chlamydomonadales: Haematococcaceae
Volvocida: Chlamydomonadina: Chlamydomonadidae

Chlorogonium hiemale
Schiller 1954

Chlorogonium hiemale Genus (Ehrenberg): Cells usually fusiform; both ends hyaline; two euqal-length flagella, about 1/2 as long as cell; eye spot present in most species; two or several contractile vacuoles; transverse division to form 4 zoospores; nutrition phototrophic or chemo-organotrophic (Illustrated Guide, 1985).
Species:

Chlorogonium hiemale Schiller 1954 (or C. minimum Playfair, large variety ?), cell body μm long, μm wide, L/W=, x 640, No. 1, Oyumi-ike (a pond), Chuo-ku, Chiba City, Chiba Pref., Japan, December 24, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Chlorogonium Chlorogonium Chlorogonium

Images of collecting locality: No. 1, Oyumi-ike (a pond), Chuo-ku, Chiba City, Chiba Pref., Japan, December 24, 2007 by Y. Tsukii

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