| Division | Chlorophyta |
| Class | Ulvophyceae |
| Order | Bryopsidales |
| Family | Dichotomosiphonaceae |
| Basionym | Dichonema erectum Berkeley |
Thalli dark green, generally solitary, blades erect, spongy, flabellate and flat, 3–7 cm high and 5–9 cm wide. Thallus mostly borne singly on a short, stout, unbranched stipe, 4–13 mm long and 3–8 mm in wide, arising from a bulbous holdfast, 2-6 cm long, sunk in the sandy substrate, but occasionally thallus shows several blades radially arranged on the stipe, centrally anatomizing. Blade composed of loosely intricate siphons deeply constricted at the base. Siphons 25–60 µm in diameter, branched dichotomously with rounded apices.
Ecology
Occurs on sand or sand-covered substratum.
Distribution in India
Rameswaram, Krusadai Island (Tamil Nadu), Okha (Gujarat), Andaman Islands.