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Euglenophyceae: Heteronematales
Euglenida: Heteronematina

 Peranema sp.
(Ehrenberg) Stein

Peranema trichophorum Genus: Elongate, with a broad rounded or truncate posterior end during locomotion; highly plastic; delicate pellicle shows a fine striation; a free flagellum, long and conspicuous, tapers toward free end; a second flagellum adheres to the pellicle; a contractile vacuole, anterior, close to the reservoir (Kudo, 1966).
Species: *****

Peranema large species, cell body more than 180 μm long, μm wide, x 640, Numappara marsh, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, August 2003 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
Peranema Peranema Peranema Peranema Peranema

Peranema granulifera Penard: Cell body elliposoidal or spherial; pellicle granulated; 8-15 μm long (Illustrations of The Japanese Fresh-water Algae, 1977).

Peranema trichophorum (Ehrenberg) Stein: 40-70 μm long (Kudo, 1966); 20-80 μm long (Illustrated Guide, 1985); 20-70 μm long (How to know the protozoa, 1979). 22-70 μm long, 10-20 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).

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