Genus: Subaerial algae; cell body without gelatinous coat; a single chloroplast cup-shaped with a pyrenoid
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Chlorococcum or Chlamydomonas ?,
autospore (or zoospore ?) formation,
cell body 7-16 μm long, 5-12 μm wide, cells are covered with gelatinous sheath,
two contractile vacuoles anterior end, flagellate stage present,
stigma located on the equator of the cell body,
x 400, x 640, Watarase, Tochigi Pref., Japan, July 2001 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Flagellated cells, stigma present on the equator of the cell body
Paramylon body located at the center of the cell body or slightly posterior
Two contractile vacuoles located at anterior end