Genus: Unicellular, planktonic; cell body elongated spindle-shaped, spirally twisted;
both ends drawn out as spiny projections; a single chloroplast plate-like in shape, with a pyrenoid
(Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
