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Chlorophyceae: Chlorococcales: Chlorococcaceae (Oocystaceae)

Tetraedron minimum
(A. Braun) Hansgirg var. minimum

Genus: Cell body short, radiate in shape; apical view of the cell, triangular, polygonal, ellipsoidal or spindle-shaped; zygospores formed outside of mother cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Unicellular, planktonic; cell body flat, quadrangular in shape, four sides depressed and four corners with small papillae; a single chloroplast plate-like, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Tetraedron
T. minimum
dividing cells
9 x 8.5 μm
Ishikawa, 2000
Tetraedron
T. minimum
dividing cells
8, 10 μm
Ishikawa, 2000
Tetraedron
T. minimum
stock Ikk-41
axenic culture
5, 8 μm
Ishikawa, 2000
Tetraedron
T. minimum
6 x 5.5 μm
Japan, 2000
Tetraedron
T. minimum
5 x 5 μm
Uruguay, 1999
Tetraedron
T. minimum
9, 12 μm
Tokyo, 2001
Tetraedron minimum
T. minimum
μm
Kazo
Saitama, 2003
Tetraedron minimum
T. minimum
μm
Ushijima park
Kasukabe
Saitama, 2003
Similar genus -->> Tetraedriella (Xanthophyceae); Goniochloris (Xanthophyceae);

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Scenedesmus
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