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Chlorophyceae: Chlorococcales: Oocystaceae

Oocystis sp.

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).
Similar genus -->> Eremosphaera;

Oocystis sp. ?, cell body 63 μm long, 29 μm wide, L/W=2.2, x 640, rice field, near Ichinoseki Railroad Station, Ichinoseki city, Iwate Pref., Japan, July 24, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Oocystis Oocystis

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