Species:
Cell body cylindrical, both ends slightly attenuated and rounded, 104-123 μm long,
17-29 μm wide; euglenoid movement active;
28-40 chloroplasts saucer-shaped, each containing a pyrenoid at the center;
locomotive flagellum short not extending out of canal; nucleus spherical, 18 x 14;
eyespot (stigma) 5 μm long
(An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
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