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Cryptophyceae: Cryptomonadales: Cryptomonadaceae

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).
Similar genus -->> Cryptomonas; Chilomonas;

Chroomonas, cell body 16 μm long, 7.5 μm wide, x 640, rice field, Sano (near Minami-kamishiro railway station), Hakuba village, Nagano Pref., Japan, October 3, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Chroomonas Chroomonas

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