| Division | Charophyta |
| Class | Zygnematophyceae |
| Order | Desmidiales |
| Family | Desmidiaceae |
Cells small, 1.3 times longer than broad; cells measure 20–27 μm in length and 14–18 μm in width. Cells deeply constricted at median and sinus opened, isthmus slightly elongated, 6–8 μm. Semicells elliptical with rounded granule, circular in lateral view and, elliptical in vertical view.
Ecology
Thalli collected as plankton.
Distribution in India
Tamil Nadu.