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Chlorophyceae: Chlorococcales: Chlorococcaceae (Oocystaceae)

Tetraedron enorme
(Ralfs) Hansgirg var. enorme

Tetraedron 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: Unicells, planktonic; cell body irregular tetrahedron in shape, 25-30 μm in diam.; laterally concave; angles extended into two processes, each process branched into two short banchlets (5-8 μm long) with two or three short spines (Photomicrographs of the Freshwater Algae, vol. 1, 1984).
Similar species -->> T. planctonicum;
Similar genus -->> Tetraedriella (Xanthophyceae); Goniochloris (Xanthophyceae);


Tetraedron enorme (Ralfs) Hansgirg var. enorme (similar species, T. planctonicum G. M. Smith), cell body μm long, μm wide, L/W=, x 640, No. 1, Kashiwa Village Mizube Park, Kashiwa city, Chiba Pref., Japan, February 11, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Tetraedron enorme Tetraedron enorme

Images of collecting locality: Kashiwa Village Mizube Park, Kashiwa city, Chiba Pref., Japan, February 11, 2008 by Y. Tsukii


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