| Division | Ochrophyta |
| Class | Phaeophyceae |
| Order | Scytothamnales |
| Family | Bachelotiaceae |
| Basionym | Ectocarpus antillarum Grunow |
Thallus light brown, 1-2 cm height, filamentous, uniseriate; entangled mass, attached by rhizoids. Thallus shows branched basal filaments giving rise to erect filaments usually sparsely branched; filaments slightly tapering towards apex. Cells cylindrical with one or two stellate chloroplasts; cells measure 25-43 µm in broad and 45 – 110 µm long. Thallus shows diffuse growth with prominent meristematic regions in the lower parts of filaments. Unilocular sporangia in intercalary series, occasionally with longitudinal divisions into two sporangia side-by-side. Sporangia barrel-shaped and measures 25-35 μm diameter.
Ecology
Occurs in rock pools on the shore or supralittoral rocks in splash zone, often grows on sandy shore.
Distribution in India
Gujarat; Maharashtra; Kanyakumari, Mandapam (Tamil Nadu).