Species: Cell body ovoidal or elongated ellipsoidal, both ends rounded, 42-58 μm long, 12-18 μm wide; euglenoid movement rare; 10-16 chloroplasts saucer-shaped with wavy margin, a pyrenoid covered with paramylon sheath located at the center; locomotive flagellum half of the cell body; nucleus ellipsoidal, 12 x 10; eyespot (stigma) 5 μm long (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).

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E. clara 47 x 11 μm near Ukima Park Tokyo, 2001	E. clara 34 x 8 μm Kawagoe Saitama, 2001	E. clara 44 x 13 μm Shakujii Park Tokyo, 2001	E. clara 52 x 15 μm Iwajuku Gunma, 2001
E. clara 34 x 10 μm Tsuchiura Ibaraki, 2001	E. clara ? or E. granulata ? 70 x 10 μm Koshigaya Saitama, 2001	E. clara ? or E. anabaena ? 37 x 12 μm Railway Station Kochi, 2002	E. clara ? or E. anabaena ? 36 x 9 μm Entsu-ji Kawashima or Kawajima Saitama, 2002
E. clara ? μm Itakura Gunma, 2003	E. clara ? μm Shirakawa Shirakawa Fukushima, 2003	E. clara ? μm Higusa-numa Hikari Chiba, 2003	E. clara 45 x 13 μm near Town Hall Shobu Saitama, 2004
E. clara ? 42 x 25 μm Ikenokochi marsh Tsuruga Fukui, 2004	E. clara ? 47 x 14 μm Shimo-muneoka Shiki Saitama, 2004	E. clara ? 45 x 12 μm Hanasaki water p. Kazo Saitama, 2005

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