image_list image_listE

Euglenophyceae: Euglenales
Mastigophora: Euglenida

Euglena oxyuris

Euglena oxyuris Species: 150-500 μm long, 20-40 μm wide; cylindrical, almost always twisted; anterior end rounded, posterior end pointed; numerous discoid chloroplasts; two ovoid paramylon (paramylum) bodies; stigma large; sluggish (Kudo, 1966). Body flattened, twisted, with longitudinal groove; two oval paramylon (paramylum) rings (How to know the protozoa, 1979).
Similar species -->> tripteris; E. gigas; E. gaumei;

Euglena oxyuris, cell body 175 μm long, 27 μm wide (flattened), flattened and untwisted by pressing with a cover glass, two ring-like paramylon bodies (27 x 8 μm), many chloroplasts small disc-shaped, a ellipsoidal nucleus centrally located, x400, x 640, Saitama Pref., Japan, May-June 1999 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Euglena Euglena Euglena

Please click on images for viewing enlarged.
Copyright Protist Information Server