| Cell body 6-12 μm wide | 
|   T. viride
 12 μm φ
 Senjo-ga-hara
 Nikko
 Tochigi, 2003
 |   T. viride
 12 μm
 Yanase river
 Tokorozawa
 Saitama, 2004
 |   T. viride
 8-9 μm
 chl. disc-shaped
 Saitama, 1999
 |   T. viride
 26 x 10 μm
 Shiba river
 near Owada p.
 Saitama, 2005
 | 
|   T. viride
 8-10 μm φ
 Kiyasse-Hanyu
 Hanyu
 Saitama, 2006
 |   T. viride
 10-13 μm φ
 Oyoshi Park
 Koshigaya
 Saitama, 2006
 
  |   T. viride
 10 μm φ
 agricultural drain
 Fujimi
 Saitama, 2006
 
  |   T. viride
 12 μm φ
 Ukima Park
 Kita/Itabashi
 Tokyo, 2006
 
  | 
|   T. viride
 13 μm φ
 Daini-koen
 Tochigi city
 Tochigi, 2007
 
  |   T. viride
 14 μm φ
 Uzuma-koen
 Tochigi city
 Tochigi, 2007
 
  |   T. regulare ?
 or T. viride ?
 8-9 μm φ
 Kanayama g.p.
 Kiyose
 Tokyo, 2001
 |   T. viride
 12 μm φ
 Kanayama c.
 Kiyose
 Tokyo, 2007
 
  | 
|   T. viride
 x 11 μm φ
 Kanayama c.
 Kiyose
 Tokyo, 2008
 
  |