 
 
Cryptophyceae: 
Cryptomonadales: Cryptomonadaceae
Cryptomonadida
Cryptomonas rostratiformis
Bory
|  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, stock Ikk-2, cultured with Hyponex and KCM, 
cell body 20 μm long, 
x 640, Kaga city, Ishikawa Pref., Japan, 2000, by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
 
 
Cryptomonas, stock Ikk-2, cultured with 0.02% Hyponex and KCM (May 25 to July 15, 2004), 
cell body 20 μm long, 7 μm wide, 
x 640, Kaga city, Ishikawa Pref., Japan, 2000, by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
 
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