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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Phacus aenigmaticus
Drezepolski

Phacus aenigmaticus 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 ovoid to long triangular, slightly twisted; anterior broadly rounded, shallowly bilobed; laterally undulated and asymmetrical; posterior tapered into a long cauda; paramylon bodies (usually three) cup-shaped parietal plate; two located in the right and left anterior halves of the cell, one occupying the posterior half of the cell; cell body 22-26 μm long, 10-13 μm wide (Photomicrographs of the Freshwater Algae, 1995).


Phacus aenigmaticus Drezepolski ?, cell body 20 μm long, 7 μm wide, L/W=, x 640, Ashikaga flower park, Tomita, Ashikaga city, Tochigi Pref., Japan, April 22, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Phacus aenigmaticus Phacus aenigmaticus Phacus aenigmaticus

Images of collecting locality: a pond at Ashikaga flower park, Tomita, Ashikaga city, Tochigi Pref., Japan, April 22, 2006 by Y. Tsukii


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