Genus: Elliptical body with a firm pellicle; dorsal side convex,
ventral side slightly flat; "cytopharynx" with granules; two lateral chromatophores
(chloroplasts) vary in color from green to blue-green, brown or rarely red; 1-3 contractile
vacuoles anterior (Kudo, 1966).
Cell body elongated ovoid or elliptical; cytopharynx conspicuous; three rows of ejectisome (trichocysts)
(Yamagishi, 1999).
Species: Cell body 16-20 μm long, 8-10 μm wide; two almost equal flagella; color, dark umber to dark brown (Illustrated Guide, 1985). 20-30 micron; reservoir distinct; yellow to brownish-green chloroplasts; starch granules (How to know the protozoa, 1979). 30-60 μm long, 20-25 μm wide (Kudo, 1966). |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
