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). Anterior end rounded compared to that of E. tripteris.

Google Image Search

Anterior end rounded; stigma large
E. oxyuris ?? 363 x 30 μm Iwajuku Gunma, 2001	E. oxyuris 281 x μm stigma 9-11 μm tail long Urugay, 1999	E. oxyuris μm 1 twist Japan, 199?	E. oxyuris 250-255 x 27-43 μm Sakitama-kofun p. Gyoda Saitama, 2004
E. oxyuris 240 x μm 1 twist Japan, 199?	E. oxyuris 190 x 22 μm near Yamaguchi Univ. Yamaguchi, 2004	E. oxyuris 185 x 22 μm twist Hazama marsh Ashikaga Tochigi, 2003	E. oxyuris 175 x 22 μm Kasama Park Ibaraki, 2002
E. oxyuris 175 x μm 1/2 twist Minuma-tanbo Saitama, 2001	E. oxyuris 175 x μm 1/2 twist Saitama, 1999	E. oxyuris ? 165 x 19 μm near Nan-ko Shirakawa Fukushima, 2003	E. oxyuris ? 158 x 22 μm Yoshimi athletic p. Yoshimi Saitama, 2004
E. oxyuris 170 x 20 μm Koga general p. Koga Ibaraki, 2006	E. oxyuris μm Oyumi-ike 1 Chuo-ku Chiba, 2007	E. oxyuris 156 x 18 μm Koshigaya Saitama, 2001	E. oxyuris 145 x 23 μm near Town Hall Shobu Saitama, 2004
E. oxyuris ? cell μm Japan, 1998
Anterior end conical; stigma medium in size
E. oxyuris 290 x μm Omiya Saitama, 2001	E. oxyuris 240 x μm 1/2 twist Japan, 199?
Small variety
E. oxyuris 100 x 12 μm twist Naruto Chiba, 2003	E. oxyuris ? 86 x 10 μm 1/2 twist small variety ? Saitama, 2001	E. oxyuris ? or Phacus ? 52 x 15 μm Basho-no-yakata Kurobane Tochigi, 2004

Similar species -->> tripteris; E. gigas; E. gaumei; E. spirogyra;

Please click on species name for more images.

Copyright Protist Information Server