| Division | Charophyta |
| Class | Zygnematophyceae |
| Order | Desmidiales |
| Family | Desmidiaceae |
Cells small, quadrangular or barrel-shaped, slightly constricted in the middle; apices broadly truncated and remain joined to adjacent cells forming a long filament; covered with thick mucilage. Chloroplast one per semi cell with a central pyrenoid. Cells 12-22 µm long and 11-20 µm broad.
Ecology
Occurs as phytoplankton and it prefers circumneutral water bodies.
Distribution in India
Maharashtra; Ezhichur Lake in Kancheepuram District, Tamil Nadu (Maheswari and Baluswami, 2018).