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Chrysophyceae: Ochromonadales: Ochromonadaceae

 Ochromonas margaritata
Skuja

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: Cell body 7-13 μm long, 5-10 μm wide (Süßwasserflora von Mitteleuropa 1, Chrysophyceae und Haptophyceae, 1985).

Ochromonas margaritata Skuja ?, cell body 12-17 μm long, 9-11 μm wide, many granules present at periphery of the cell, a large inclusion body present at posterior half, x 640, Chichibu Muse Park, Chichibu city, Saitama Pref., Japan, Junly 2003 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Ochromonas Ochromonas Ochromonas

* Ochromonas margaritata Skuja: Cell body 7-13 μm long, 5-10 μm wide (Süßwasserflora von Mitteleuropa 1, Chrysophyceae und Haptophyceae, 1985).

Ochromonas vasocystis Doflein: Cell body up to 10 μm long (Süßwasserflora von Mitteleuropa 1, Chrysophyceae und Haptophyceae, 1985).

Ochromonas nasuta Skvortzov: Cell body 12-14 μm long (Süßwasserflora von Mitteleuropa 1, Chrysophyceae und Haptophyceae, 1985).

O. mutabilis Klebs: Cell body ovoid to spherical in shape, 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: Cell body 5-12 μm long; no stigma (Kudo, 1966).

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