Species: 85-170 μm long, 10-20 μm wide; highly plastic; stigma distinct; chloroplasts discoid with pyrenoid; several small rod-shaped paramylon (paramylum) bodies (Kudo, 1966). Body flattened, twisted, with longitudinal chloroplasts; flagellum less than 1/4 body length (How to know the protozoa, 1979).
Cell body cylindrical, 90-165 μm long, 9-18μm wide, posterior slightly pointed; chloroplast large disc-shaped, parietal, 30-50 in number, a pyrenoid without paramylon sheath located at the center; a flagellum 1/3 to 1/2 of the body length; nucleus ellipsoidal 14-20 x 8-12 μm; stigma 5-7 μm; paramylon bodies ellipsoidal or rod-shaped (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).

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Medium variety: 100-200 μm long
150-200 μm long
E. deses 165 x 17 μm L/W=9.7 chl. μm Binnuma-gawa Fujimi Saitama, 2006	E. deses 165 x 15 μm L/W=11.0 chl. μm Kenmin-kenko f.m. p. Koshigaya Saitama, 2006	E. deses 185 x 13 μm L/W=14.2 Omiya daini p. Saitama Saitama, 2007
E. deses 160 x 16 μm L/W=10.0 chl. μm near Kitamoto p. Kitamoto Saitama, 2005	E. deses 160 x 15 μm L/W=10.5 chl. 6-15 μm Mizuko Fujimi Saitama, 2003	E. deses 160 x 15 μm L/W=10.5 Kamigo ni-ku Kaminokawa Tochigi, 2006	E. deses & st. Sfum-91 150 x μm L/W= Mizuko Fujimi Saitama, 2003
E. deses 160 x 16 μm L/W= Shiba river near Owada Park Saitama, 2005	E. deses 157 x 14 μm L/W=11.2 chl. 8-12 μm para. 8-12 μm Naruto Chiba, 2003	E. deses 156 x 14 μm L/W=11.1 chl. 12 μm para. 15 μm Saitama, 1999	E. deses 155 x 17 μm L/W=9.1 chl. 12-13 μm Ogasaki Iwatsuki Saitama, 2005
E. deses 155 x 14 μm L/W= chl. μm Shiba river near Owada Park Saitama, 2005	E. deses 155 x 14 μm L/W=11.1 chl. μm Akai wetland Aizuwakamatsu Fukushima, 2005	E. deses 155 x 11 μm L/W=13.6 chl. μm Maruyama Park Ageo Saitama, 2006
100-150 μm long
E. deses 150 x 16 μm L/W=9.3 chl. μm Kenmin-kenko f.m.p. Koshigaya Saitama, 2006	E. deses 145 x 15 μm L/W=9.7 chl. 8-14 μm para. 3 x 1.5 μm Yoshikawa Saitama, 2003	E. deses 145 x 15 μm L/W=9.7 chl. μm Dewa Park Koshigaya Saitama, 2006	E. deses 144 x 15 μm L/W=9.6 chl. ?? μm para. μm Mizumoto park Tokyo, 2001
E. deses 142 x 14 μm L/W=10.1 chl. 9 x 7 μm pyrenoid present para. 8 x 2-3 μm Akigase Park Saitama, 2002	E. deses 135 x 19 μm L/W=7.1 chl. 9-15 μm pyrenoid present para. 9 x 2.5 μm Ranzan Saitama, 2003	E. deses 140 x 13 μm L/W=10.8 chl. 6-8 μm para. 4-5 μm Japan, 199?	E. deses 130 x μm L/W= chl. ?? μm para. μm Japan, 199? by H. Yoshino
E. deses 130 x 12 μm L/W=10.8 chl. 8-10 μm Mizuko-kaizuka p. Fujimi Saitama, 2004	E. deses 131 x 14 μm L/W=9.4 chl. 5.5-8.5 μm para. 13 μm Kawagoe Saitama, 2001	E. deses 135 x 13 μm L/W=10.4 chl. 8-12 μm Furu-tone river Kasukabe Saitama, 2004	E. deses 135 x 14 μm L/W=9.6 chl. 6-9 μm near City Hall Fujimi Saitama, 2004
E. deses 130 x 17 μm L/W=7.6 chl. 8-10 μm para. μm Maeda Furukawa Miyagi, 2003	E. deses 148 x 13 μm L/W=11.4 chl. 6-8 μm para. μm Ishinazaka Furukawa Miyagi, 2003	E. deses 143 x 13 μm L/W=11.0 chl. 7-9 μm Mizuko Fujimi Saitama, 2003	E. deses 130 x 12 μm L/W=10.8 chl. 8.5-10 μm para. ~9 μm Omiya Saitama, 2001
E. deses 122 x 17 μm L/W=7.2 chl. 8-10 μm Motono Chiba, 2004	E. deses 125 x 14 μm L/W=8.6 Gunma-no-suigo Itakura Gunma, 2006	E. deses 125 x 14 μm L/W=8.6 Kitamoto n.o.p. Kitamoto Saitama, 2006	E. deses 115 x 15 μm L/W=7.7 chl. 7-12 μm Matsubushi Saitama, 2004
E. deses 129 x 12 μm L/W=10.8 chl. 12-16 μm para. 9 μm Japan, 199?	E. deses 125 x 10 μm L/W=12.5 chl. 7 μm Higashi-sano Hakuba Nagano, 2004	E. deses 123 x 13 μm L/W=9.5 chl. 4 x 3.5 μm para. μm Akigase Park Saitama, 2002	E. deses ? 125 x 12 μm L/W=10.4 chl. 6-8 μm para. μm Japan, 199? Movies
E. deses 125 x 11 μm L/W=11.4 chl. 5-9 μm para. 8-10 x 4 μm Bessho-numa Chiba, 2001	E. deses 130 x 12 μm L/W=10.8 chl. 6.5 μm para. μm Motono Chiba, 2001	E. deses 100 x 12 μm L/W=8.3 chl. 6 x 3.5 μm para. 10 x 2.5 μm Iwajuku Gunma, 2001	E. deses 120 x 11 μm L/W=10.9 chl. 5-8 μm pyrenoid present Takezono-higashi p. Tsukuba Ibaraki, 2003
stock Itta-3 125 x 11 μm L/W=11.4 chl. 5-10 μm Takezono-higashi p. Tsukuba Ibaraki, 2003	E. deses 108 x 16 μm L/W=6.8 chl. 8-11 μm para. 4-5 x 1-2 μm Konosu Saitama, 2003	E. deses 72 x 15 μm L/W=4.8 chl. 4-6 μm para. μm Shimotsuma Ibaraki, 2003	E. deses 110 x 12 x μm L/W=9.2 chl. 6-11 μm para. less than 15 μm Uruguay, 1999
E. deses μm chl. ?? μm para. μm Japan, 199?	E. deses ?? μm L/W= chl. ?? μm para. μm Japan, 199? by K. Mikami	E. deses 100 x 15 μm L/W=6.7 Mizuko-kaizuka p. Fujimi Saitama, 2004	E. deses 110 x 12 μm L/W=9.2 chl. 5-8 μm para. 12 μm Shiraoka Saitama, 2003
E. deses 100 x 14 μm L/W=7.1 chl. 7-9 μm pyrenoid present para. 5-9 μm Kawashima or Kawajima Saitama, 2002	E. deses 115 x 15 μm L/W=7.7 chl. μm pyrenoid present para. μm Kitamoto nature o.p. Kitamoto Saitama, 2005	E. deses 120 x 12 μm L/W=10 chl. μm Banpaku memorial p. Tsukuba Ibaraki, 2006	E. deses μm L/W= chl. μm drainage ditch Yachiyo Chiba, 2008

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