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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E. obtusa
Chl. 26?
112 x 18 μm
Kawagoe
Saitama, 2001
E. obtusa
Chl.
μm
Iruma
Saitama, 2003
E. obtusa
120 x 21 μm
Nishikubo d.a.
Iruma
Saitama, 2006
E. obtusa
Chl.
μm
Motono
Chiba, 2003
E. obtusa
Chl.
132 x 19 μm
Akai wetland
Aizuwakamatsu
Fukushima, 2005
E. obtusa
Chl.
120 x 19 μm
Oyoshi Park
Koshigaya
Saitama, 2006
