Subgenus: Entomum (Apical area deeply indented or notched)
Section: Incisa (Cell surface smooth; apical area without spiny projections)
Species: Cell body elongated ellipsoidal, 98-117-(123) μm long, 53-64-(67) μm wide, L/W=2; semicells consisting of five lobes (one terminal, four lateral); bay opening between terminal and anterior lateral lobe is deep and narrow; anterior lateral lobes smaller than posterior one; posterior lobes with slight depressions; terminal lobe laterally extended and apically flattened; semicell with 5 bulges (2 anterior, 3 posterior), 1 pore present between the anterior bulges (Illustrations of The Japanese Fresh-water Algae, 1977).
Google Image Search
E. affine 142 x 77 μm L/W=1.8 Sukawa highland Kurikoma mountain Akita, 2005 |
E. affine 133 x 69 μm L/W=1.9 Sukawa highland Kurikoma mt. Akita, 2005 |
E. affine 122 x 79 μm L/W=1.5 Ohyachi 2 Hachimantai Akita, 2007  |
E. affine 130 x 75 μm L/W=1.7 Kuroyachi m.1 Hachimantai Iwate, 2007 |
E. affine 141 x 70 μm L/W=2.0 Hachiman-numa Hachimantai Iwate, 2007 |
E. affine 140 x 70 μm L/W=2.0 Iroha-numa 3 Zao mountain Yamagata, 2006 |
E. affine 129 x 64 μm L/W=2.0 Iroha-numa 1 Zao mountain Yamagata, 2006 |
E. affine 130 x 74 μm L/W=1.8 near Iroha-numa Zao mountain Yamagata, 2006 |
E. affine μm L/W= Iroha-numa 6 Zao mountain Yamagata, 2008 |
E. affine μm L/W= Iroha-numa 1 Zao mountain Yamagata, 2008 |
E. affine 128 x 77 μm L/W=1.7 Utsubo-numa Zao mountain Yamagata, 2008 |
E. affine 116 x μm L/W= Mida-ga-hara Gassan Yamagata, 2006 |
E. affine 112* x 64 μm L/W=1.8 Jodo-daira Azuma mountain Fukushima, 2006 |
E. affine 127 x 64 μm L/W= 2.0 Kisuge konuma Shimogo Fukushima, 2005 |
E. affine 100 x 55 μm 105 x 59 μm L/W= 1.8 Kisuge konuma Shimogo Fukushima, 2005 |
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E. affine 117-120 x 65 μm L/W= 1.8 Numappara marsh Kuroiso Tochigi, 2003 |
E. affine 121 x 70 μm L/W= 1.7 Numappara marsh Nasu-shiobara Tochigi, 2007 |
E. affine var. ?? 104 x 56 μm L/W= 1.9 Nasu Tochigi, 2000 |
E. affine or E. humerosum ? 100 x 56 μm L/W= 1.8 1 pore/semicell Nasu Tochigi, 2000 |
E. affine or E. humerosum ? L/W= 1.8 strain Tnc-1 Cell division Nasu Tochigi, 2000 |
E. affine L/W= 2.0 Benten-ike Nikko Tochigi, 2008 |
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E. affine 134 x 63 μm L/W=2.1 Omine-numa Tsukiyono Gunma, 2003 |
E. affine 136 x 64 μm L/W=2.1 Omine-numa Tsukiyono Gunma, 2006 |
E. affine μm L/W= Omine-numa Tsukiyono Gunma, 2008 |
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E. affine x 72 μm L/W=2.1 Ko-numa Minakami Gunma, 2006 |
E. affine μm L/W= Ko-numa Minakami Gunma, 2008 |
E. affine μm Yokotashiro 1 Katashina Gunma, 2007 |
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E. affine 130-132 x 61-62 μm L/W=2.1-2.2 Shijuhachi-ike Shiga highland Nagano, 2005 |
E. affine 153-157 x 78-83 μm L/W=1.8-2.0 Hikage marsh Shiga highland Nagano, 2005 |
E. affine 147 x 72 μm L/W=2.0 Hikage marsh Shiga highland Nagano, 2006 |
E. affine 135 x 60 μm L/W=2.3 Shimo-no-koike Shiga highland Nagano, 2004 |
E. affine or E. ozense ? 140 x 61 μm L/W=2.3 Shimo-no-koike Shiga highland Nagano, 2004 |
E. affine 126 x 60 μm L/W=2.1 Shimo-no-koike Shiga highland Nagano, 2005 |
E. affine ? 104 x 56 μm L/W= 1.9 Tanohara marsh Shiga highland Nagano, 2005 |
E. affine ? 141 x 69 μm L/W=2.0 near Chigo-ike Shiga highland Nagano, 2008 |
E. affine 140-147 x 71-77 μm L/W=2.0 Azami-ike Norikura highland Nagano, 2006 |
E. affine μm L/W= Azami-ike 5 Norikura highland Nagano, 2007 |
E. affine var. ?? 119 x 60 μm L/W= 2.0 USA, 1999 |
