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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Phacus trypanon
Pochmann

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 trypanon or P. pyrum ?, cell body 43 μm long, 21 μm wide, x 640, Mitsumata-numa biotope, at the border of Kawagoe city, Kawajima town and Ageo city, Saitama Pref., Japan, March 21, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Phacus trypanon Phacus trypanon Phacus trypanon

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