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Cryptophyceae: Cryptomonadales: Cryptomonadaceae
Cryptomonadida

Chilomonas paramecium
Ehrenberg, 1832

Chilomonas Genus: Similar to Cryptomonas in general body form and structure, but colorless; without pyrenoid; "cytopharynx" (gullet) deep, lower half surrounded by granules (ejectisome/trichocyst); one contractile vacuole anterior (Kudo, 1966).
Species: 20-40 μm long (How to know the protozoa, 1979). Posteriorly narrowed; slightly bent 'dorsally'; 30-40 μm long, 10-15 μm wide; widely distributed in stagnant water (Kudo, 1966). 8-15 μm long, 4-6 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar genus -->> Cryptomonas; Chroomonas;


Chilomonas paramecium, cell body μm long, μm wide, x 640, Near Shinrin-koen (Musashi Kyuryo National Forest Park), Namegawa town, Saitama Pref., Japan, August 2003 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Chilomonas Chilomonas


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