Conspicuous shell, up to 20cm, with coarse transverse ridges, large tubercles, and a heavy lip with seven more or less straight fingers of varying length. Exterior colour variable, white-cream with brown or bluish patches, sometimes with thin brown periostracum. Interior rich pink, orange or purple. Habitat: sheltered shallow waters. Distribution: Indo-Pacific. Regional names: Kis. Nyangale, Madole, Vikocho; Port. Aranha-de-sete-dedos. (Richmond, 1997).
- Walls, J.G. (1980). Conchs, tibias and harps. A survey of the molluscan families Strombidae and Harpidae. T.F.H. Publications Ltd, Hong Kong. http://www.marinespecies.org/aphia.php?p=sourcedetails&id=6540