Genus:

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C. aspera / C. lanceolata / C. helmckei ?
C. aspera 28 samples 150-315 μm 1997-2006	C. aspera 28 samples 150-315 μm 1997-2006	C. lanceolata 28 samples 150-315 μm 1997-2006	C. lanceolata 28 samples 150-315 μm 1997-2006
Others
C. proxima ? 155 x 40 μm Onnenai Kushiro marsh Hokkaido, 2005	Cymbella sp. 7 samples on stalk 75-104 μm 2001-2006	Cymbella sp. 88 x 16 μm Aizu Recreation p. Aizuwakamatsu Fukushima, 2005	Cymbella sp. 61 x 8 μm Koigakubo marsh Tessei-cho Okayama, 2004
C. silesiaca ? 3 samples 52-53 μm Japan, 2005	Cymbella sp. 4 samples 58-85 μm 2003-2005	Cymbella sp. 66 x 16 μm Lake Shirakaba Tateshina & Chino	Cymbella sp. 60 x 18 μm Futayo-no-ike Haguro mountain Yamagata, 2005
Cymbella sp. 43 x 15 μm Lake Shirakaba Tateshina & Chino Nagano, 2005	C. minuta 6 samples 20-40 μm 2003-2005	C. naviculiformis ? or C. tumida ? 3 samples 63-72 μm 2003-2005	C. tumida C. prostrata ? 64 x 19 μm Satsunai river Obihiro Hokkaido, 2005
C. obscura 38 x 13 μm Chaya-numa p. Fukushima city Fukushima, 2005
C. cuspidata ? 6 samples 51-93 μm 2003-2005	Cymbella sp. C. cuspidata ? 67 x 20 μm Lake Shirakaba Tateshina & Chino Nagano, 2005	C. amphicephala ? 2 samples 37-39 μm 2003-2004	Cymbella sp. ? 116 x 33 μm Senjo-ga-hara Nikko Tochigi, 2003
Cymbella sp. 82 x 25 μm Takao Sakura p. Kitamoto Saitama, 2005	C. latens ? 30 x 15 μm Ikoi-no-mori p. Fuchu Tokyo, 2004	Cymbella ?? 24-42 μm 1998-1999

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