Euglenophyceae
: Euglenales
Mastigophora: Euglenida
Phacus
pleuronectes
(O.F. Müller) Dujardin 1841
Species:
45-100
μm long,
30-70
μm wide;
short
posterior prolongation slightly curved; a prominent
ridge
on the convex side; longitudinally striated;
one
? circular paramylon (paramylum) body near center; flagellum as long as cell body (Kudo, 1966). Cell body nearly spherical at dorsal view; anterior end separated into two spherical projections; cauda strongly curved; dorsal ridge short or
absent
(cf. dorsal ridge present
P. triqueter
); cell body
40-80
μm long,
30-50
μm wide;
two
? paramylon bodies disc-shaped; striae straight (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
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Similar species -- >>
P. triqueter
;
P. curvicauda
;
Phacus pleuronectes
(O.F. Müller) Dujardin 1841, cell body
46
μm long,
37
μm wide, cauda slanted,
12
μm long, x400, x 640, Higashi-hirishima, Hiroshima Pref., Japan, September 1998 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Phacus curvicauda
Swirenko: Cell body
24-26
μm diam., (25)-
38-30
μm long;
2
paramylons (Illustrations of The Japanese Fresh-water Algae, 1977).
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