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Cryptophyceae: Cryptomonadales: Cryptomonadaceae
Cryptomonadida

Cryptomonas sp.
Ehrenberg

Cryptomonas 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 elongated ovoid or elliptical; cytopharynx conspicuous; three rows of ejectisome (trichocysts) (Yamagishi, 1999).
Species:
Similar genus -->> Chroomonas; Chilomonas;


Cryptomonas sp., cell body 19 μm long, 9 μm wide, x 640, Watarase river, Ashikaga city, Tochigi Pref., Japan, February 1, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cryptomonas Cryptomonas

C. ovata: 16-20 μm long, 8-10 μm wide; two almost equal flagella; color, dark umber to dark brown (Illustrated Guide, 1985). 20-30 micron; reservoir distinct; yellow to brownish-green chloroplasts; starch granules (How to know the protozoa, 1979). 30-60 μm long, 20-25 μm wide (Kudo, 1966).


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