|   D. bacillariarum ?
 260-360 x μm
 L/W=3.4-3.6
 Onnenai
 Kushiro marsh
 Hokkaido, 2005
 |   D. bacillariarum
 150 x 75 μm
 L/W=2.0
 Kenashitai
 Hakkoda mountain
 Aomori, 2005
 |   D. bacillariarum
 135 x 65 μm
 L/W=2.1
 Shibayachi m.5
 Odate
 Akita, 2007
 
  |   D. bacillariarum
 175 x 78 μm
 L/W=2.2
 Oze-ga-hara
 Katashina
 Gunma, 2006
 
  | 
|   D. bacillariarum
 190 x 80 μm
 L/W=2.4
 Yokotashiro 1
 Katashina
 Gunma, 2007
 
  |   D. bacillariarum
 150-170 x μm
 L/W=
 Hakama marsh
 Madarao highland
 Niigata, 2005
 |   D. bacillariarum
 170 x 80 μm
 L/W=2.1
 Numa-no-hara m1
 Madarao highland
 Niigata, 2007
 
  | 
|   D. bacillariarum
 190 x 83 μm
 L/W=2.3
 Ushidome-ike
 Norikura highland
 Nagano, 2005
 |   D. bacillariarum
 180 x 70 μm
 L/W=2.6
 Iyari marsh
 Omachi
 Nagano, 2005
 |   D. bacillariarum
 140 x 70 μm
 L/W=2.0
 Midoriga-ike
 Togakushi highland
 Nagano, 2006
 
  | 
|   D. bacillariarum
 185 x 75 μm
 L/W=2.5
 Mumei marsh
 Shiga highland
 Nagano, 2006
 
  |   D. bacillariarum
 175 x 55 μm
 L/W=3.2
 Tanohara marsh
 Shiga highland
 Nagano, 2005
 |   D. bacillariarum
 140,170 x μm
 L/W=2.3,2.4
 Tanohara marsh
 Shiga highland
 Nagano, 2006
 
  |   D. bacillariarum
 180 x 70 μm
 L/W=2.6
 Shimo-no-koike
 Shiga highland
 Nagano, 2007
 
  | 
|   D. bacillariarum
 165 x 60 μm
 L/W=2.8
 Imou bog
 Toyohashi
 Aichi, 2004
 |   D. bacillariarum
 150 x 70 μm
 L/W=2.1
 Imou bog
 Toyohashi
 Aichi, 2006.4
 
  |   D. bacillariarum
 190 x 60 μm
 L/W=3.2
 Imou bog
 Toyohashi
 Aichi, 2006.9
 
  |