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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Phacus pleuronectes
(O.F. Müller) Dujardin 1841

Phacus 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).
Similar species -- >> P. triqueter; P. curvicauda;


Phacus pleuronectes (O.F. Müller) Dujardin 1841, cell body 64 μm long, 37 μm wide, a large and a smaller paramylon bodies at the center of the cell body, chloroplasts small disc-shaped, about 3 μm diam., stigma 3 μm diam., x 400, x 640, near Ukima Park, Kita-ku, Tokyo, Japan, July 2001 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Phacus Phacus Phacus Phacus Phacus Phacus Phacus


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