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Cryptophyceae: Cryptomonadales: Cryptomonadaceae
Cryptomonadida

Chroomonas sp.
Hansgirg 1885

Chroomonas Genus: 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) (Yamagishi, 1999).
Species:
Similar genus -->> Cryptomonas; Chilomonas;


Chroomonas (or Cryptomonas ?), cell body 17 μm long, 8 μm wide, x 640, Yanome-dam park, Nasu town, Tochigi Pref., Japan, March 28, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Chroomonas


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