Euglenophyceae:
Euglenales
Mastigophora: Euglenida
Phacus stokesii
Lemmermann
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 broad ovoidal or nearly circular, broad longitudinal furrow present,
13-20 (-23) μm long, 12-15 μm wide;
anterior broadly rounded, posterior slightly pointed; pellicle with longitudinal striae;
1-2 paramylon bodies disc-shaped
(Photomicrographs of the Freshwater Algae, 1995).
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Phacus stokesii Lemmermann ? or similar species (P. acuminatus ?),
cell body 27 μm long, 17 μm wide, L/W=1.6,
x 640, Nanbata castle park, Fujimi city, Saitama Pref., Japan, September 18, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Phacus stokesii or similar species,
cell body μm long, μm wide, L/W=,
x 640, Nanbata castle park, Fujimi city, Saitama Pref., Japan, September 18, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Phacus stokesii or similar species,
cell body 26 μm long, 16 μm wide, L/W=1.6,
x 640, Nanbata castle park, Fujimi city, Saitama Pref., Japan, September 18, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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