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Chlorophyceae: Chlorococcales: Oocystaceae

Ankistrodesmus densus
Korschikoff

Ankistrodesmus Genus: Colonies of 4-32 cells; cell body long crescent or spindle in shape, tapered at both ends; cells attached with each other at the center of the body, paralleled or radially arranged; no gelatinous sheath; a chloroplast; no pyrenoids; planktonic (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:
Similar Genus ->> Monoraphidium; Selenastrum;


Ankistrodesmus densus Korschikoff, cell body 45 μm long, 2.5 μm wide, x 640, a small pond near Yamaguchi university, Yamaguchi city, Yamaguchi Pref., November 21, 2004, by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Ankistrodesmus densus Ankistrodesmus densus

Ankistrodesmus densus Korschikoff ?, cell body μm long, 2 μm wide, x 640, a small pond near Yamaguchi university, Yamaguchi city, Yamaguchi Pref., November 21, 2004, by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Ankistrodesmus densus Ankistrodesmus densus

* Ankistrodesmus falcatus (Corda) Ralfs: 25-30 μm long, 2-3 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).

Ankistrodesmus gracilis (Reinsch) Korshikov (Syn: Selenastrum gracile Reinsch): A colony of 8-32 cells, cells crescent in shape, 10-15 μm long, 3-5 μm wide, a single flattened chloroplast and a pyrenoid (Illustrations of The Japanese Fresh-water Algae, 1977).


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