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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Phacus sp.
Dujardin

Phacus 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 sp., two paramylon bodies large parietal dish-like plate, similar to P. glabrus at this point, but cell body circular rather than ellipsoidal and lack anterior small papilla, cell body 23 μm long, 20 μm wide, x 400, x 640, Uruguay, November 1999, photo by Yuuji Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Phacus Phacus Phacus

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