References

SOWERBY, G. B. III, 1889. Marine shells of South Africa, collected at Port Elizabeth, with descriptions of some new species. Journal of Conchology, 6: 6-15.

HAYES, B., 1992. Cones of the Eastern Cape province, South Africa.
World Shells, 3:45-50.

MONTEIRO, A., TENORIO, M. J. & POPPE, G. T., 2004. The Family Conidae. 
The West African and Mediterranean species of Conus.