Chrysophyceae:
Ochromonadales: Ochromonadaceae
Ochromonas margaritata
Skuja
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).
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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
31 μm
63 μm
94 μm; x 640
* 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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