Cosmarium pachydermum var. indicum Iyengar & Vimala Bai 1941

Division     Charophyta
Class     Zygnematophyceae
Order     Desmidiales
Family    Desmidiaceae

    Cells large size, about 1.5 times longer than broad measures 60–68 μm in length and 47–52 μm in breadth. Cells deeply constricted at the center and sinus narrowly linear or slightly opened at the proximal end, isthmus is 16–21 µm. Semicell semi-elliptical shape and cell wall densely punctate. Semicells circular in lateral view and elliptical in vertical view.


Thalli collected as plankton from Ponds and Lakes.

Distribution in India

Tamil Nadu.