Genus: Cell body crescent in shape (long, curved, tapered at both ends); cross section rounded;
cell wall smooth or with longitudinal lines, bands on the cell wall in some species;
chloroplast laminae ridged and radially arranged, which makes cross section star-shaped;
pyrenoids aligned or scattered
Species: Cell body elongated spindle-shaped, μm long, μm wide, L/W=; cell wall transparent, smooth; chloroplasts with 3-6 pyrenoids |
31 μm
63 μm
94 μm; x 640
Closterium sp.,
cell body 265 μm long, 6.5 μm wide, L/W=40.8,
x 200, x 400, x 640, Kabuto-yama sizen-kansatsu ike (pond), Kabuto-yama, Nishi-no-miya city, Hyogo Pref., Japan, September 10, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
