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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Phacus obolus
Pochmann

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:
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Phacus obolus
P. obolus
55 x μm
Mihashi Park
Saitama, 2003
Phacus obolus
P. obolus
38 x 22 μm
Motono
Chiba, 2003
Phacus obolus
P. obolus
μm
Mizuko-kaizuka p.
Fujimi
Saitama, 2004
Phacus obolus
P. obolus
45 x 24 μm
water reservoir
near Yamaguchi Univ.
Yamaguchi, 2004
Phacus obolus
P. obolus
37 x 22 μm
Shiba river
near Owada Park
Saitama, 2005
Phacus obolus
P. obolus
43 x 23 μm
Ichinose-enchi
Norikura highland
Nagano, 2005
Phacus obolus
P. obolus
45 x 23.5 μm
Kitamoto n.o.p.
Kitamoto
Saitama, 2006

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Phacus obolus
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