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Chrysophyceae: Ochromonadales: Ochromonadaceae

Ochromonas variabilis
H. Meyer

Ochromonas 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:


Ochromonas sp., stock Sso-2, axenic culture from June 24 to August 13, 2002, cell body nearly spherical, 7-9 μm in diam., some cells with posterior drawn out, x 640, Soka Park, Soka city, Saitama Pref., Japan, April 2002 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Ochromonas Ochromonas Ochromonas Ochromonas

Ochromonas sp., stock Sso-2, axenic culture from September 11 to November 10, 2002, cell body μm long, μm wide, x 640, Soka Park, Soka city, Saitama Pref., Japan, April 2002 by Y. Tsukii
Ochromonas Ochromonas

Ochromonas, stock Sso-2, axenic culture with KCl & Hyponex (from December 24, 2004, January 2, 2005), cell body nearly spherical (8 μm in diam.), x 640, Soka Park, Soka city, Saitama Pref., Japan, April 2002 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
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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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