Genus: Spindle, cylindrical or band-form; pellicle usually marked by longitudinal or spiral striae; some with a thin pellicle highly plastic; stigma usually anterior; chloroplasts discoid, band-form, or fusiform; two paramylum bodies located on either side of nucleus, rod-like to ovoid in shape or numerous and scattered throughout; contractile vacuole near reservoir; cell division longitudinal (Kudo, 1966).

->> Description at WPRNO

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