| 1 | 
 
 | 
Cryptodifflugia sp.,
 --- by Tsukii, Yuuji at Lab. of Biol., Hosei Univ.  | 
| 2 | 
 
 | 
Cryptodifflugia sp.,
 --- by Tsukii, Yuuji at Lab. of Biol., Hosei Univ.  | 
| 3 | 
 
 | 
Cryptodifflugia sp.,
 --- by Tsukii, Yuuji at Lab. of Biol., Hosei Univ.  | 
| 4 | 
 
 | 
Hyalosphenia sp.,
 --- by Tsukii, Yuuji at Lab. of Biol., Hosei Univ.  | 
| 5 | 
 
 | 
Hyalosphenia sp.,
 --- by Tsukii, Yuuji at Lab. of Biol., Hosei Univ.  | 
| 6 | 
 
 | 
Hyalosphenia sp.,
 --- by Tsukii, Yuuji at Lab. of Biol., Hosei Univ.  |