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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Phacus obolus
Pochmann

Phacus obolus 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 obolus Pochmann, cell body 55 μm long (41 μm long without tail), μm wide, two paramylon bodies disc-shaped with a hole at the center, a cauda modrately long, nearly straight, 12 μm long, x 640, Mihashi Park, Saitama city (Omiya), Saitama Pref., Japan, October 2002 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Phacus obolus Phacus obolus Phacus obolus Phacus obolus Phacus obolus

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