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Cryptophyceae: Cryptomonadales: Cryptomonadaceae
Cryptomonadida

Cryptomonas rostratiformis
Ehrenberg

Cryptomonas rostratiformis 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 μm long, μm wide, x 640, Nishikubo damp area, Miyadera, Iruma city, Saitama Pref., Japan, June 2003 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cryptomonas Cryptomonas Cryptomonas


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