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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Phacus gigas
Da Cunha 1913

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: Cell body 100-115 μm long,m, 70-80 μm wide (Ciugulea I. & Triemer R.E., A Color Atlas of Phtosyntetic Euglenoids, Michigan State University Press, 2010).
Phacus
P. gigas
106 x 84 μm
Uruguay, 1999
Phacus gigas
P. gigas
130 x 88 μm
Mizumoto Park
Katsushika-ku
Tokyo, 2006
Phacus gigas
P. gigas
μm
Tonbo-no-numa
Isumi
Chiba, 2007
Similar species -->> P. acuminatus;

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Phacus
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