Protist Images: Euglena

Euglenophyceae: Euglenales
Mastigophora: Euglenida

Euglena sp.

Genus: Spindle, cylindrical or band-form; pellicle usually marked by longitudinal or spiral stirae; 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).
Species:

Euglena, central region of cell body always constricted forming disc-shaped outward extension, μm long, μm wide, x 200, x 400, x 640, Sannoh park, Nishi-ku, Saitama city, Saitama Pref., Japan, July 4, 2004 by Y. Tsukii