| 
 Unidentified sp.: Posterior rounded  | 
 
	 Euglena sp.
	 8 samples
	 80-88 μm
	 1999-2004 | 
 
	 Euglena sp.
	 67 x 25 μm
	 47 x 31 μm
	 Hanasaki water p.
	 Kazo
	 Saitama, 2005 | 
 
	 E. splendens ?
	 50 x 17 μm
	 Koma river
	 Sakado
	 Saitama, 2003 | 
 
	 Euglena sp.
	  μm
	 Higusa-numa
	 Hikari
	 Chiba, 2003 | 
 
	 E. archaeo- plastidiata ?
	 3 samples
	 34 μm
	 1998-99 | 
 
	 Euglena sp.
	 27 x 17 μm
	 near Town Hall
	 Shobu
	 Saitama, 2004 | 
 
	 Euglena sp.
	  μm
	 near Nan-ko
	 Shirakawa
	 Fukushima, 2003 | 
 
	 Euglena sp.
	  μm
	 Mizuko-kaizuka p.
	 Fujimi
	 Saitama, 2004 | 
| 
 Unidentified sp.: Posterior tapered  | 
 
	 E. fundoversata ?
	 3 samples
	 100-194 μm
	 1999-2004 | 
 
	 Euglena sp.
	 E. fundoversata ?
	 92 x 26 μm
	 Watarase Wetland
	 Fujioka
	 Tochigi, 2005 | 
 
	 E. rubra ?
	 101 μm
	 1998-99 | 
 
	 Euglena sp.
	  μm
	 Hazama marsh
	 Ashikaga
	 Tochigi, 2003 | 
 
	 Euglena sp.
	  μm
	 Sannoh park
	 Nishi-ku
	 Saitama, 2004 | 
 
	 Euglena sp.
	 E. spirogyra-like
	 85 x 15 μm
	 Okubo Ryoke
	 Akigase park
	 Saitama, 2005 | 
 
	 Euglena sp.
	 E. spirogyra-like
	 85 x 15 μm
	 Mitsumata-numa
	 Kawagoe etc.
	 Saitama, 2005 | 
 
	 Euglena sp.
	 51 x 6.5 μm
	 Shiba river
	 near Owada Park
	 Saitama, 2005 | 
 
	 Euglena sp.
	  μm
	 Akigase Park
	 Saitama, 2002 | 
 
	 E. magnifica ?
	 6 samples
	 75-106 μm
	 2003-2004 | 
 
	 Euglena sp.
	 E. magnifica ?
	 or Lepocinclis ?
	 74 x 33 μm
	 near Town Hall
	 Shobu
	 Saitama, 2004 | 
 
	 E. magnifica ?
	 or E. oblonga ?
	  μm
	 Mihashi Park
	 Saitama, 2002 | 
 
	 E. oblonga ?
	 6 samples
	 43-52 μm
	 2003-2008 | 
 
	 Euglena sp.
	 92 x 26 μm
	 Mizuko-kaizuka p.
	 Fujimi
	 Saitama, 2005 | 
 
	 Euglena sp.
	 E. oblonga ?
	 81 μm
	 Saitama, 1999 | 
 
	 Euglena sp.
	  μm
	 Uruguay, 1999 | 
 
	 Euglena sp.11
	 90-96 x 10-12 μm
	 Taiwan, 199? | 
 
	 Euglena sp.9
	 55 x 9.5 μm
	 Taiwan, 199? | 
 
	 Euglena sp.5
	 55 x 12 μm
	 Taiwan, 199? | 
 
	 Euglena sp.
	 34 x 15 μm
	 Taiwan, 199? | 
 
	 Euglena sp.
	  μm, x 640
	 Gunma, 2001 | 
 
	 Euglena sp.
	  μm
	 near Ukima Park
	 Tokyo, 2001 | 
 
	 Euglena sp.
	  μm
	 Yamato
	 Kanagawa, 2003 | 
 
	 Euglena sp.
	  μm
	 Hasuda
	 Saitama, 2002 | 
 
	 Euglena sp.
	  μm
	 Kawashima
	 or Kawajima
	 Saitama, 2002 | 
 
	 Euglena sp.
	 Konosu
	 Saitama, 2003 | 
 
	 Euglena sp.
	 68 x 22 μm
	 Okubo Ryoke
	 Akigase park
	 Saitama, 2005 | 
 
	 Euglena sp.
	 or Lepocinclis ?
	 47 x 23 μm
	 Kowashimizu
	 Suwa
	 Nagano, 2005 |