| Division | Chlorophyta |
| Class | Ulvophyceae |
| Order | Acrosiphoniales |
| Family | Acrosiphoniaceae |
| Basionym | Fucus cupressoides Vahl 1802 |
Thalli medium, stiff, light green to dark green and extensively branched spreading stout stolon, 0.7-2.3 mm diameter with stalked, branched, white-yellow rhizoids. Erect axes branched dichotomously, rarely irregular; erect axes measure up to 25cm. Each branch with 2 to 3 rows of short ramuli, generally cylindrical to 0.3-0.5 mm diameter and 1-2.5 mm long, upcurved with a short spine at the apex. The distichous ramuli arranged mainly opposite. Main axes cylindrical and naked at base becoming flat above, 0.8-1.5 mm broad
Ecology
On silty-sandy bottom of intertidal pools as well as in shallow subtidal.
Distribution in India
Krusadai Island, Tuticorin, Tamil Nadu.