Species (var. minima Mainx, 1927): Cell body spidle in shape, 29-42 μm long, 11-17 μm wide, euglenoid movement rare, 3-6 (rarely 7) chloroplasts saucer-shaped or rectangular with wavy margin, a pyrenoid covered with paramylon sheath located at the center, a locomotive flagellum nearly the same length as the cell body, nucleus spherical, 8 μm in diam., stigma (eye spot) 3 μm (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).

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E. anabaena 43 x 15 μm Iwajuku Gunma, 2001	E. anabaena 50 x 15 μm Mihashi Park Saitama, 2002	E. anabaena 41 x 9 μm Koshigaya Saitama, 2001	E. anabaena ? 37 x 12 μm Bessho-numa Saitama, 2001
E. anabaena ? 38 x 9 μm Takasaka Saitama, 2002	E. anabaena ? μm Hidaka Saitama, 2003	E. anabaena ? μm Matsubushi Saitama, 2003	E. anabaena μm Higusa-numa Hikari Chiba, 2003
E. anabaena ? μm Shimotsuma Ibaraki, 2003	E. anabaena ? μm Kami-karako Higashi-matsuyama Saitama, 2003	E. anabaena ? μm Maeda Furukawa Miyagi, 2003	E. anabaena ? 62 x 14 μm Furu-tone river Kasukabe Saitama, 2004
E. anabaena ? or E. caudata ? 62 x 17 μm Izumi 741 Namegawa Saitama, 2004	E. anabaena ? or E. caudata ? 85 x 21 μm Koigakubo marsh Tessei-cho Okayama, 2004	E. anabaena ? or E. caudata ? 45 x 17 μm Ara river Sakado Saitama, 2005	E. anabaena ? or E. caudata ? 43 x 14 μm Demaru-nakago Kawajima Saitama, 2005

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