Genus: Unicellular; cell body ellipsoidal or spindle-shaped, attached on a substrate at one end;
a single chloroplast plate-like in shape, with a pyrenoid
(Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:
Similar genus --> > Colacium; Characiopsis; Characiochloris; Hydiranum; Characium gelatinosa
(or Characiopsis Xanthophyceae ? or Characiochloris ?),
cell body spindle-shaped, 38 μm long, 14 μm wide,
x 400, Japan, 1999 by Y. Tsukii
50 μm
100 μm
150 μm; x 400