Genus: Colony of 4 cells attached to a gelatinous sheath at their posterior end,
arranging cruciform; cell body ovoidal; two equal-length flagella emerging at their anterior end;
a single chloroplast cup-shaped, 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
