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Euglenophyceae: Euglenales
Euglenida:

Astasia lagenula
Schewiakoff

Astasia Genus: Only 1 flagellum emergent from canal, colourless; eyespot absent; cell body fusiform or elongated, plastic, with pronounced euglenoid movement; many species, mostly freshwater (Illustrated Guide, 1985).
Species: Cell body cylindroid with posterior end rounded, 45 μm long, 10 μm wide; a flagellum more or less longer than the body length; ovoidal paramylum granules (WPRNO).
Simiar species -->> A. lagenula;


Astasia, stock Kgy-2, axenic culture with EM (October 25 to December 30), cell body 19 μm long, 17 μm wide, L/W=, x 640, Yaku island, Kagoshima Pref., Japan, 2001, collected by N. Kinoshita, photo 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
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