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Chrysophyceae: Ochromonadales: Ochromonadaceae
Chrysomonadida: Ochromonadidae

 Monas sp.
Wyssotski

Monas Genus: Solitary or colonial; body surface delicate; one to two chloroplasts; usually with a stigma; fresh water (Kudo, 1966). One to several chloroplasts; pyrenoid and/or eyespot (stigma) in some; cells naked, globular, ellipsoidal or pyriform (Illustrated Guide, 1985).
Species:

Monas sp. ?, cell body 14 μm long, 12 μm wide, a long flagellum 27 μm in length, a short flagellum about 5 μm in length, x 400, x 640, Japan, 1998 by Y. Tsukii
scale 20 μm scale 40 μm scale 60 μm; x 1000
Monas Monas Monas

O. mutabilis Klebs: Ovoid to spherical; plastic; 15-30 μm long, 8-22 μm wide (Kudo, 1966). Resembles Chromulina; 1-2 chloroplasts; usually a stigma (How to know the protozoa, 1979).

O. granularis Doflein: 5-12 μm long; no stigma (Kudo, 1966).

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