| Division | Charophyta |
| Class | Zygnematophyceae |
| Order | Desmidiales |
| Family | Desmidiaceae |
Cells very small size and cells as long as broad measures 8–11 µm in length and 7–9 µm in breadth. Cells shallowly constricted at the center, sinus widely open and isthmus 4–5 µm. Semicells oval to cuneate with retuse apex and cell wall smooth; semicell oval in vertical view.
Ecology
Thalli collected as plankton and it prefers mesotrophic water bodies.
Distribution in India
Tamil Nadu.