Euglenophyceae: Euglenales
Mastigophora: Euglenida

Identified by Chi Ling Wang at Dept. of Nature Science Education, National Chia-Yi Teacher's College, Taiwan

Species: Cells 46~86ƒÊm long, 12~25ƒÊm broad; moderately metabolic; fusiform or sometimes cylindrical, anterior end slightly narrowed and rounded, posterior end conically attenuated into a short, pointed hyaline cauda; pellicle spirally striated, 9~11 striae per 10ƒÊm; chloroplasts numerous, parietal, without pyrenoid, disk-shaped, 4~6ƒÊm in diameter; paramylon grains numerous, small oval to rod-shaped, scattered throughout the protoplasm; nucleus spherical, lying just behind the middle, 10~16ƒÊm in diameter; eyespot prominent, large, curved lamella-shaped with convex face outward, 4~7ƒÊm in length; locomotory flagellum, one to one and half body length, easily shedding; movement slowly swimming and rotating.

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