Species: Cells 31-39 μm long, 9-13 μm broad; strongly metabolic; fusiform or most frequently asymmetrically gourd-shaped, anterior end broadly rounded, undulated at middle portion of the cells and attenuated into a short blunt non-hyaline cauda; pellicle delicately spirally striated, 20-24 striae per 10 μm; chloroplast numerous, disk-shaped, parietal, 2~3m in diameter, without pyrenoids; paramylon grains dimorphic: one bigger rod-shaped (4-5 ~ 2-3 μm), located near the eyespot, numerous small granulate ones scatter in the cytoplasm; nucleus spherical, 5-7 μm in diameter, enclosed by some small paramylon grains, located dorsally at posterior portions of the cells; eyespot very prominent, curved lamellar-shaped, with convex face outward, 4-5 μm in length; locomotory flagellum body length.
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E. variabilis
39 x 12 μm
Taiwan, 199?
E. variabilis
μm
Sashi-ohgi
Saitama, 2002
E. variabilis
62 x 19 μm
near Town Hall
Shobu
Saitama, 2004
E. variabilis
48 x 13 μm
Nanbata castle p.
Fujimi
Saitama, 2005
