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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:
Similar Genus ->> Peranema; Distigma


Heteronema sp. ?, cell body about 85 μm long, 12 μm wide, L/W=7.1, a long flagellum 42 μm long, a short flagellum 7 μm long, x 640, No.1, Iyari marsh, Omachi city, Nagano Pref., Japan, June 4, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Heteronema Heteronema

Images of collecting locality: No.1, Iyari marsh, Omachi city, Nagano Pref., Japan, June 4, 2007 by Y. Tsukii


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