| Division | Rhodophyta |
| Class | Florideophyceae |
| Order | Gigartinales |
| Family | Cystocloniaceae |
| Basionym | Sphaerococcus spinellus C.Agardh |
Thalli small, about 25 cm in height. Fronds pulvinate, intricately branched, branches compressed, ramuli subulate, 2.2 mm long, tapering strongly from the base, covered densely with spines
Ecology
Lithophytic
Distribution in India
Andaman and Nicobar Islands, Keelakarai, Shingle Islands