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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Phacus pusillus
Lemmermann 1910

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
P. pusillus
30 x 10 μm
Watarase Wetland
Fujioka
Tochigi, 2005
Phacus pusillus
P. pusillus ?
25 x 11 μm
Takamatsu
Kagawa, 2002
Phacus pusillus
P. pusillus ?
25 x 11 μm
Haneo
Namegawa
Saitama, 2004
Phacus pusillus
P. pusillus ?
33 x 11 μm
Ushidome-ike
Norikura highland
Nagano, 2005
Phacus pusillus
P. pusillus ?
16 x 8 μm
Green-Park
Saitama, 2001

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Euglena
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