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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., similar to P. longicauda but pellicle spirally striated, cell body 45 μm long, 40 μm wide, tail 25 μm long, x 400, x 640, Kurihashi, Saitama Pref., Japan, July 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Phacus Phacus

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