| Posterior rounded | 
|   R. incurva
 cell 20 x 6 μm
 flag. 23 μm
 Shitami-Oike
 Hiroshima, 1998
 |   R. incurva
 cell 20 x 7 μm
 flag. 20 μm
 Saitama, 1999
 |   R. incurva
 cell 20 x 7.5 μm
 flag. 23 μm
 Koshigaya
 Saitama, 2001
 |   R. incurva
 cell 21 x 8 μm
 flag. 23 μm
 Tanohara Natural p.
 Ontake highland
 Nagano, 2005
 | 
|   R. intermedia
 cell 22-26 x 8-12 μm
 flag. μm
 Japan, 199?
 |   R. intermedia
 cell 20 x 11 μm
 near Hyoutan-ike
 Nasu
 Tochigi, 2006
 | 
|   Rhabdomonas sp.
 cell 35 x 17 μm
 flag. 35 μm
 Kamino-tanbo
 Tsugaike highland
 Nagano, 2006
 
  |   Rhabdomonas sp.
 cell 37 x 17 μm
 flag. 33 μm
 J Skunk Cabbage m
 Tsugaike highland
 Nagano, 2006
 
  |   Rhabdomonas sp.
 cell 37 x 15 μm
 Sensho-ga-hara
 Shizukuishi
 Iwate, 2007
 
  |