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Euglenophyceae: Euglenales
Mastigophora: Euglenida

 Phacus trimarginatus
Allegre & Jahn

Phacus trimarginatus 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 trimarginatus Allegre & Jahn ?, cell body μm long, μm wide, x 640, Kijioka Castle Ruin, Kodama town, Saitama Pref., Japan, June 2003 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Phacus trimarginatus Phacus trimarginatus

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