Elliptical body with a firm pellicle; dorsal side convex,
ventral side slightly flat; "cytopharynx" with granules; two lateral chromatophores
(chloroplasts) vary in color from green to blue-green, brown or rarely red; 1-3 contractile
vacuoles anterior (Kudo, 1966).
Cell body cylindrical or elongated ovoid; cytopharynx inconspicuous, two rows of ejectisomes (formerly trichocysts)
Chloomonas (or Cryptomonas ?),
cell body 22 μm long, 9 μm wide,
x 640, Iruma river, Kami-terayama, Kawagoe city, Saitama Pref., Japan, January 18?, 2004 by Y. Tsukii