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Euglenophyceae: Heteronematales
Euglenida: Heteronematina

Heteronema acus
Dujardin

Heteronema Genus: Like Peranema, but second flagellum free, trailing, 1/2 body length; plastic (How to know the protozoa, 1979). Both flagella emerge from canal; unequal in length and thickness; longer thicker one directed anteriorly during swimming; shorter trailing posteriorly, lying free from cell; colourless; phagotrophic; ingestion organelle composed of 2 rods; no eyespot; cell body plastic, solitary, elongated, tapering, not flattened; fresh and salt water (Illustrated Guide, 1985).
Species:

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Similar Genus ->> Peranema; Distigma


Heteronema acus, cell body 72 μm long, 12 μm wide, anterior flagellum 61 μm long, recurrent flagellum 30 μm long, x 400, x 640, Japan, 199? 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
Heteronema Heteronema Heteronema Heteronema Heteronema Heteronema

Heteronema , x 400, x 640, December 1998 by Y. Tsukii
Heteronema Heteronema Heteronema

Heteronema acus (Ehrenberg) Stein: Cylindrical, 40-50 μm long, 10-20 μm wide; gliding locomotion (Illustrated Guide, 1985).


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