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Chlorophyceae: Chlorococcales: Scenedesmaceae

Coelastrum proboscideum

Coelastrum Species: Colonies of 4, 8, 16 or 32 cells, pyramidal, cubical or polygonal in shape; cells conical or tetrahedral in shape, sides concave, corners truncated, 6-17 μm in diam.; cells connected to adjacent cells by the projected corners forming a large polygonal space between the cells (Photomicrographs of the Freshwater Algae, vol. 2, 1984).

Coelastrum proboscideum, a colony spherical in shape, 39 μm in diam., cell body μm long, μm wide, x 640, Tobai, Kawajima (Kawashima) town, Saitama Pref., Japan, June 2002 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Coelastrum Coelastrum Coelastrum

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