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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 (or P. acuminatus ?), cell body μm long, μm wide, x 640, Mizuko-kaizuka park, Fujimi city, Saitama Pref., Japan, May 9, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Phacus obolus Phacus obolus

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