Species:
Cells 82-92 μm long,
16-22 μm broad;
moderately to strongly metabolic; elongate-fusiform to cylindrical, anterior end truncated to rounded,
posterior end swelling slightly and constricted into a short non-hyaline cauda,
2-4 μm;
periplast spirally striated;
chloroplast numerous, without pyrenoid, discoid, parietal, distribute at the posterior portion of cell;
paramylon grains very numerous, rod-shaped or discoid, locate at the anterior portion of the cell;
nucleus spherical, 5-9 μm in diameter,
located at the back portion of the cells;
locomotory flagellum one half body length, 42 μm;
eyespot curved lamella-shaped, with the convex face outward , prominent, red to orange color,
2.5 μm in diameter
(by Chi Ling Wang at National Chia-Yi Teacher's College, Taiwan).
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31 μm
