| Division | Chlorophyta |
| Class | Ulvaphyceae |
| Order | Cladophorales |
| Family | Siphonocladaceae |
| Basionym | Valonia forbesii Harvey |
| Synonym | Pseudovalonia forbesii (Harvey) Iyengar |
Thalli bright light green, mostly gregarious, radially arranged, more rarely solitary, Thalli attached by small discoid holdfast but clustered cells connected with each other by a septate stoloniferous rhizoidal system. Thalli composed of a single, inflated, club-shaped and curved cell, 2.5-5 cm long, 8-16 mm in diameter. Thallus shows basal annular constrictions.
Ecology
Epilithic in the mid-intertidal exposed during low tide. Laxmanpu Beach n.2, Neil Islands.
Distribution in India
Tuticorin, Pamban, Krusadii Island, Palk Bay (Tamil Nadu), Porbandar, Veraval, (Gujarat).