Species:
Cell body hand-mirror in shape, anterior spherical to elliptical, posterior tapered into a spiny cauda
when swimming, 39-55 μm long, 18-25 μm wide;
cell body changes to fusiform when stopped swimming;
9-16 chloroplasts saucer-shaped, with slightly lobed margin, each containing a
pyrenoid at the center; a locomotive flagellum 2-2.5 longer than the cell body;
nucleus spherial, 12 μm in diam.; eyespot (stigma) 6 μm long
(An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
|
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
