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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Phacus suecicus
(Lemmermann) Lemmermann var. suecicus
Syn. Phacus monilata Stokes var. suecicus 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: 40-55 μm long, 32-40 μm wide; a short caudal projection; pellicle with minute knobs arranged in longitudinal rows; flagellum about the body length (Kudo, 1966). 43-54 μm long; pointed rear; incurved anteriorly with small papilla; striated, about 12 rows of small knobs; fresh water (How to know the protozoa, 1979).
Phacus suecicus
P. suecicus
v. suecicus
39 x 23 μm
Higusa-numa
Hikari
Chiba, 2003

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Phacus hispidulus
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