| Division | Chlorophyta |
| Class | Ulvophyceae |
| Order | Bryopsidales |
| Family | Caulerpaceae |
| Basionym | Fucus taxifolius M.Vahl |
| Synonym | Caulerpa pennata J.V.Lamouroux; Caulerpa taxifolia f. typica Svedelius |
Thalli medium size, stolons densely branched and intricated; erect assimilatory filaments densely arise on stolons, featherlike, 12 cm long and 10-16 mm wide markedly compressed ramuli, dark green. Rachis slightly compressed and without ramuli at the base up to 5 mm, ramuli. Ramuli densely placed and perpendicular to rachis. Ramuli flat slightly curved upwardly with constricted base. Ramuli with gradually tapering and acuminate apex.
Ecology
Lithophytic
Distribution in India
Krusadii Island, Gulf of Mannar (Tamil Nadu), Andaman Island.