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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Phacus sp.
Dujardin

Phacus Genus: Highly flattened; pellicle firm; body form constant (Kudo, 1966). Chloroplasts small, discoid, pyrenoids usually absent; most species flat and leaf-shaped; often with ridges or fins running helically or longitudinally (Illustrated Guide, 1985).
Species:

Phacus sp. (similar to P. trimarginatus), cell body 54 μm long, 38 μm wide, tail 26 μm long, cauda bending nearly 90 degree at its base, cell body slightly twisted, chloroplasts small disc-shaped, one large paramylon body present, x 400, x 640, Higashi-Urawa (Minuma-tanbo), Saitama Pref., Japan, June 2001 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
Phacus Phacus Phacus Phacus
Phacus Phacus Phacus Phacus
Phacus Phacus Phacus
A cell slightly compressed with cover glass
Phacus Phacus Phacus Phacus Phacus Phacus Phacus
A cell more compressed with cover glass
Phacus Phacus Phacus Phacus
Phacus Phacus Phacus

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