Ochromonas margaritata,
cell body 10-13 μm long, 7-11 μm wide,
x 640, Ikenokochi (or Ikenokouchi) marsh, Tsuruga city, Fukui Pref., Japan, September 11, 2004 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).