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Chlorophyceae: Chlorococcales: Oocystaceae

Oocystis marssonii
Chodat 1897

Oocystis Genus: Planktonic; colony of 2-8 cells surrounded by cell wall of their mother cell, but sometimes unicellular; cell body broad ellipsoidal, both ends slightly pointed and with a thick cell wall; 1-3 chloroplasts parietal plate-like, with a single pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: Similar to . marssonii, but chloroplasts grooved.
Similar genus -->> Nephrocytium;


Oocystis lacustris Chodat var. lacustris, cell body 19 μm long, 10 μm wide, x 640, Aquatic botanical garden, Sawara city, Chiba Pref., Japan, October 11, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Oocystis Oocystis


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