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Cryptophyceae: Cryptomonadales: Cryptomonadaceae

Cryptomonas platyuris
Skuja 1948

Cryptomonas platyuris Species: Cell body 31-50 μm long, 9-14 μm wide, 15-24 μm thick; laterally compressed, posterior end wide and rudder-like; chloroplasts 1(-2) per cell; without pyrenoid; refringent bodies 2 in a dorsal position roughly mid-way along cell; nucleus posterior (John et al. eds. 2002).
Similar genus -->> Chroomonas; Chilomonas;

Cryptomonas platyuris, cell body 38 μm long, 20 μm wide, x 640, Shimo-no-koike (small pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, September 26, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cryptomonas platyuris Cryptomonas platyuris

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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