| Division | Chlorophyta |
| Class | Chlorophyceae |
| Order | Sphaeropleales |
| Family | Selenastraceae |
| Synonym | Ankistrodesmus spiralis var. fasciculatus G.M.Smith |
Thallus colonial without sheath, colony fasciculate or group of 16 or more cells arranged densely. Cells fusiform, curved or sigmoid gradually taper towards the apex. Cell superimposed on each other to from colony. Cells measure cell 42-53 in µm length and 2-4 µm in breadth. Chloroplast single, parietal and without pyrenoid.
Ecology
Freshwater alga prefers oligo-mesotrophic water bodies.