Genus:
Species:
Cell body broad fusiform or cylindrical,
65-90 μm long, 22-30 μm wide,
posterior slightly tapered, euglenoid movement active;
chloroplasts saucer-shaped, slightly lobed (or wavy ?), 12-20 in number,
a pyrenoid covered with paramylon sheath located at the center;
a flagellum twice longer than the cell body;
nucleus spherical 15 μm in diam., stigma 5 μm
(An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
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