image_list image_listE

Chlorophyceae: Chlorococcales: Oocystaceae

 Selenastrum gracile
Reinsch

Selenastrum Genus: Colonies of 4, 8 or 16 cells; planktonic; body crescent in shape; tapered at both ends; cells attached to each other at dorsal surface; a chloroplast curved plate-like, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: Cell body 13-30 μm long, 3-5 μm wide (Photomicrographs of the Freshwater Algae, vol. 2, 1984).
Similar Genus ->> Kirchneriella; Ankistrodesmus; Selenodictyum;

Selenastrum gracile Reinsch, mature cell body 42 μm long, 5 μm wide, x 640, Hasu-ike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 19, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Selenastrum Selenastrum
Young cell body 30 μm long, 3 μm wide, x 640
Selenastrum Selenastrum Selenastrum

Please click on images for viewing enlarged.
Copyright Protist Information Server